Revert "Add integration tests for concurrent append and replace (apac…

…he#16755)" (apache#17000)

This reverts commit 70bad94.

integration-tests/src/main/java/org/apache/druid/testing/clients/OverlordResourceTestClient.java

@@ -28,7 +28,6 @@
 import org.apache.druid.indexer.TaskStatusPlus;
 import org.apache.druid.indexer.report.IngestionStatsAndErrorsTaskReport;
 import org.apache.druid.indexer.report.TaskReport;
-import org.apache.druid.indexing.overlord.http.TaskLockResponse;
 import org.apache.druid.indexing.overlord.http.TaskPayloadResponse;
 import org.apache.druid.indexing.overlord.supervisor.SupervisorStateManager;
 import org.apache.druid.java.util.common.ISE;
@@ -361,31 +360,6 @@ public Map<String, List<Interval>> getLockedIntervals(List<LockFilterPolicy> loc
     }
   }
 
-  public TaskLockResponse getActiveLocks(List<LockFilterPolicy> lockFilterPolicies)
-  {
-    try {
-      String jsonBody = jsonMapper.writeValueAsString(lockFilterPolicies);
-
-      StatusResponseHolder response = httpClient.go(
-          new Request(HttpMethod.POST, new URL(getIndexerURL() + "activeLocks"))
-              .setContent(
-                  "application/json",
-                  StringUtils.toUtf8(jsonBody)
-              ),
-          StatusResponseHandler.getInstance()
-      ).get();
-      return jsonMapper.readValue(
-          response.getContent(),
-          new TypeReference<TaskLockResponse>()
-          {
-          }
-      );
-    }
-    catch (Exception e) {
-      throw new RuntimeException(e);
-    }
-  }
-
   public void waitUntilTaskCompletes(final String taskID)
   {
     waitUntilTaskCompletes(taskID, ITRetryUtil.DEFAULT_RETRY_SLEEP, ITRetryUtil.DEFAULT_RETRY_COUNT);