Remove all replaced-in-v8 REST endpoints (#114800)

These endpoints were deprecated in v7 and are replaced in v8 with
different endpoints so we can remove the v7 endpoint names in v9.

Author: DaveCTurner

qa/system-indices/src/main/java/org/elasticsearch/system/indices/SystemIndicesQA.java

@@ -150,7 +150,7 @@ public String getName() {
 
         @Override
         public List<Route> routes() {
-            return List.of(Route.builder(Method.PUT, "/_net_new_sys_index/_create").build());
+            return List.of(new Route(Method.PUT, "/_net_new_sys_index/_create"));
         }
 
         @Override

server/src/internalClusterTest/java/org/elasticsearch/common/network/ThreadWatchdogIT.java

@@ -88,7 +88,7 @@ public Collection<RestHandler> getRestHandlers(
             return List.of(new RestHandler() {
                 @Override
                 public List<Route> routes() {
-                    return List.of(Route.builder(RestRequest.Method.POST, "_slow").build());
+                    return List.of(new Route(RestRequest.Method.POST, "_slow"));
                 }
 
                 @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestDeleteLicenseAction.java

@@ -9,7 +9,6 @@
 
 import org.elasticsearch.action.support.master.AcknowledgedRequest;
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.action.RestToXContentListener;
@@ -27,7 +26,7 @@ public RestDeleteLicenseAction() {}
 
     @Override
     public List<Route> routes() {
-        return List.of(Route.builder(DELETE, "/_license").replaces(DELETE, "/_xpack/license", RestApiVersion.V_7).build());
+        return List.of(new Route(DELETE, "/_license"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestGetBasicStatus.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.license;
 
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.RestUtils;
@@ -24,9 +23,7 @@ public RestGetBasicStatus() {}
 
     @Override
     public List<Route> routes() {
-        return List.of(
-            Route.builder(GET, "/_license/basic_status").replaces(GET, "/_xpack/license/basic_status", RestApiVersion.V_7).build()
-        );
+        return List.of(new Route(GET, "/_license/basic_status"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestGetLicenseAction.java

@@ -11,7 +11,6 @@
 import org.elasticsearch.common.logging.DeprecationCategory;
 import org.elasticsearch.common.logging.DeprecationLogger;
 import org.elasticsearch.common.util.Maps;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.protocol.xpack.license.GetLicenseRequest;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
@@ -43,7 +42,7 @@ public RestGetLicenseAction() {}
 
     @Override
     public List<Route> routes() {
-        return List.of(Route.builder(GET, "/_license").replaces(GET, "/_xpack/license", RestApiVersion.V_7).build());
+        return List.of(new Route(GET, "/_license"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestGetTrialStatus.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.license;
 
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.RestUtils;
@@ -24,9 +23,7 @@ public RestGetTrialStatus() {}
 
     @Override
     public List<Route> routes() {
-        return List.of(
-            Route.builder(GET, "/_license/trial_status").replaces(GET, "/_xpack/license/trial_status", RestApiVersion.V_7).build()
-        );
+        return List.of(new Route(GET, "/_license/trial_status"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestPostStartBasicLicense.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.license;
 
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.action.RestToXContentListener;
@@ -26,9 +25,7 @@ public RestPostStartBasicLicense() {}
 
     @Override
     public List<Route> routes() {
-        return List.of(
-            Route.builder(POST, "/_license/start_basic").replaces(POST, "/_xpack/license/start_basic", RestApiVersion.V_7).build()
-        );
+        return List.of(new Route(POST, "/_license/start_basic"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestPostStartTrialLicense.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.license;
 
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.RestResponse;
@@ -28,9 +27,7 @@ public RestPostStartTrialLicense() {}
 
     @Override
     public List<Route> routes() {
-        return List.of(
-            Route.builder(POST, "/_license/start_trial").replaces(POST, "/_xpack/license/start_trial", RestApiVersion.V_7).build()
-        );
+        return List.of(new Route(POST, "/_license/start_trial"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/license/RestPutLicenseAction.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.license;
 
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.action.RestToXContentListener;
@@ -28,10 +27,7 @@ public RestPutLicenseAction() {}
     @Override
     public List<Route> routes() {
         // TODO: remove POST endpoint?
-        return List.of(
-            Route.builder(POST, "/_license").replaces(POST, "/_xpack/license", RestApiVersion.V_7).build(),
-            Route.builder(PUT, "/_license").replaces(PUT, "/_xpack/license", RestApiVersion.V_7).build()
-        );
+        return List.of(new Route(POST, "/_license"), new Route(PUT, "/_license"));
     }
 
     @Override

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ssl/rest/RestGetCertificateInfoAction.java

@@ -7,7 +7,6 @@
 package org.elasticsearch.xpack.core.ssl.rest;
 
 import org.elasticsearch.client.internal.node.NodeClient;
-import org.elasticsearch.core.RestApiVersion;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.RestRequest;
 import org.elasticsearch.rest.RestResponse;
@@ -32,7 +31,7 @@ public class RestGetCertificateInfoAction extends BaseRestHandler {
 
     @Override
     public List<Route> routes() {
-        return List.of(Route.builder(GET, "/_ssl/certificates").replaces(GET, "/_xpack/ssl/certificates", RestApiVersion.V_7).build());
+        return List.of(new Route(GET, "/_ssl/certificates"));
     }
 
     @Override