Merge pull request #348 from steemit/#347

Author: kuny0707

hive/indexer/custom_op.py

@@ -133,7 +133,7 @@ def reblog(cls, account, op_json, block_date):
 
         if 'delete' in op_json and op_json['delete'] == 'delete':
             DB.query("DELETE FROM hive_reblogs WHERE account = :a AND "
-                     "post_id = :pid LIMIT 1", a=blogger, pid=post_id)
+                     "post_id = :pid", a=blogger, pid=post_id)
             if not DbState.is_initial_sync():
                 FeedCache.delete(post_id, blogger_id)