fixed slug issue with topics

src/schema.js

@@ -37,13 +37,6 @@
 			posts: 'tid:' + tid + ':posts',
 			queued_tids: 'topics:queued:tid',
 
-
-			slug: function(slug) {
-				return {
-					tid: 'topic:slug:' + slug + ':tid'
-				}
-			}
-
 		}
 	};
 

src/topics.js

@@ -329,7 +329,7 @@ marked.setOptions({
 				RDB.set(schema.topics(tid).slug, slug);
 				RDB.set(schema.topics(tid).timestamp, new Date().getTime());
 				
-				RDB.set(schema.topics().slug(slug).tid, tid);
+				RDB.set('topic:slug:' + slug + ':tid', tid);
 
 				// Posts
 				posts.create(uid, tid, content, function(pid) {