synchronized void removeTable(TableName tableName) {
    if (tableName.isSystemTable()) {
      return;
    }
    NamespaceTableAndRegionInfo info = nsStateCache.get(tableName.getNamespaceAsString());
    if (info != null) {
      info.removeTable(tableName);
    }
  }
Delete the namespace state.
@param namespace the name of the namespace to delete
hbase-server/src/main/java/org/apache/hadoop/hbase/namespace/NamespaceStateManager.java