Remove shard changes and add retention lease REST APIs (#122754)

Author: salvatore-campagna

x-pack/plugin/ccr/build.gradle

@@ -1,6 +1,5 @@
 apply plugin: 'elasticsearch.internal-es-plugin'
 apply plugin: 'elasticsearch.internal-cluster-test'
-apply plugin: 'elasticsearch.internal-java-rest-test'
 esplugin {
   name = 'x-pack-ccr'
   description = 'Elasticsearch Expanded Pack Plugin - CCR'
@@ -34,16 +33,6 @@ tasks.named('internalClusterTestTestingConventions').configure {
   baseClass 'org.elasticsearch.test.ESIntegTestCase'
 }
 
-tasks.named("javaRestTest").configure {
-  usesDefaultDistribution()
-}
-
-restResources {
-  restApi {
-    include 'bulk', 'search', '_common', 'indices', 'index', 'cluster', 'data_stream'
-  }
-}
-
 addQaCheckDependencies(project)
 
 dependencies {