removed some trailing whitespaces

src/notify.c

@@ -87,8 +87,6 @@ sds keyspaceEventsFlagsToString(int flags) {
     return res;
 }
 
-
-
 /* The API provided to the rest of the Redis core is a simple function:
  *
  * notifyKeyspaceEvent(char *event, robj *key, int dbid);