Update rest-api-spec

Author: pquentin

output/schema/validation-errors.json

@@ -1,5 +1,12 @@
 {
-  "endpointErrors": {},
+  "endpointErrors": {
+    "indices.resolve_index": {
+      "request": [
+        "Request: query parameter 'mode' does not exist in the json spec"
+      ],
+      "response": []
+    }
+  },
   "generalErrors": [
     "Dangling type '_global.scripts_painless_execute:PainlessExecutionPosition'",
     "Dangling type '_global.scripts_painless_execute:PainlessScript'",

specification/_json_spec/indices.resolve_index.json

@@ -39,12 +39,6 @@
         "type": "boolean",
         "description": "Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)",
         "default": true
-      },
-      "mode": {
-        "type": "enum",
-        "options": ["standard", "time_series", "logsdb", "lookup"],
-        "default": "",
-        "description": "Filter indices by index mode. Comma-separated list of IndexMode. Empty means no filter."
       }
     }
   }