Fix thread hiding init.

src/features.coffee

@@ -1049,7 +1049,6 @@ ThreadHiding =
     return if g.VIEW isnt 'index' or !Conf['Thread Hiding'] and !Conf['Thread Hiding Link']
 
     Misc.clearThreads "hiddenThreads.#{g.BOARD}"
-    @getHiddenThreads()
     @syncFromCatalog()
     Thread::callbacks.push
       name: 'Thread Hiding'
@@ -1068,8 +1067,9 @@ ThreadHiding =
 
   syncFromCatalog: ->
     # Sync hidden threads from the catalog into the index.
+    ThreadHiding.getHiddenThreads (hiddenThreads) ->
+      {threads} = hiddenThreads
       hiddenThreadsOnCatalog = JSON.parse(localStorage.getItem "4chan-hide-t-#{g.BOARD}") or {}
-    {threads} = ThreadHiding.hiddenThreads
 
       # Add threads that were hidden in the catalog.
       for threadID of hiddenThreadsOnCatalog