Oplog removeOplog(long id) {
    return removeOplog(id, false, null);
  }
Removes the oplog from the map given the oplogId

@param id id of the oplog to be removed from the list
@return oplog Oplog which has been removed
geode-core/src/main/java/org/apache/geode/internal/cache/PersistentOplogSet.java