[SPEC] Removed refresh from indices.flush and indices.optimize

rest-api-spec/api/indices.flush.json

@@ -33,10 +33,6 @@
             "options" : ["open","closed"],
             "default" : "open",
             "description" : "Whether to expand wildcard expression to concrete indices that are open, closed or both."
-        },
-        "refresh": {
-          "type" : "boolean",
-          "description" : "Refresh the index after performing the operation"
         }
       }
     },

rest-api-spec/api/indices.optimize.json

@@ -41,10 +41,6 @@
         "operation_threading": {
           "description" : "TODO: ?"
         },
-        "refresh": {
-          "type" : "boolean",
-          "description" : "Specify whether the index should be refreshed after performing the operation (default: true)"
-        },
         "wait_for_merge": {
           "type" : "boolean",
           "description" : "Specify whether the request should block until the merge process is finished (default: true)"