[PURIFY] remove all trace of x-pack rollups (#17)

This commit removes all trace of Elastic licensed rollups

Author: nknize

buildSrc/src/main/resources/checkstyle_suppressions.xml

@@ -36,7 +36,6 @@
   <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]MigrationDocumentationIT.java" id="SnippetLength" />
   <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]MigrationClientDocumentationIT.java" id="SnippetLength" />
   <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]MiscellaneousDocumentationIT.java" id="SnippetLength" />
-  <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]RollupDocumentationIT.java" id="SnippetLength" />
   <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]SearchDocumentationIT.java" id="SnippetLength" />
   <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]SecurityDocumentationIT.java" id="SnippetLength" />
   <suppress files="client[/\\]rest-high-level[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]client[/\\]documentation[/\\]SnapshotClientDocumentationIT.java" id="SnippetLength" />

client/rest-high-level/src/main/java/org/elasticsearch/client/RequestConverters.java

@@ -400,8 +400,7 @@ static Request update(UpdateRequest updateRequest) throws IOException {
      * Convert a {@linkplain SearchRequest} into a {@linkplain Request}.
      * @param searchRequest the request to convert
      * @param searchEndpoint the name of the search endpoint. {@literal _search}
-     *    for standard searches and {@literal _rollup_search} for rollup
-     *    searches.
+     *    for standard searches
      */
     static Request search(SearchRequest searchRequest, String searchEndpoint) throws IOException {
         Request request = new Request(HttpPost.METHOD_NAME, endpoint(searchRequest.indices(), searchRequest.types(), searchEndpoint));