Revert "Fix posting on PaleMoon"

This reverts commit 2589a093e3bd22d31d7785aa5e53baf68f1fa3ab.

builds/appchan-x.user.js

@@ -2987,9 +2987,6 @@
       return onChange(key);
     });
     return $.forceSync = function(key) {
-      if ($.frag().childElementCount == null) {
-        return;
-      }
       return onChange(g.NAMESPACE + key);
     };
   })();

src/General/lib/$.coffee

@@ -428,9 +428,6 @@ do ->
   $.on window, 'storage', ({key}) -> onChange key
 
   $.forceSync = (key) ->
-    # XXX Palemoon
-    return unless $.frag().childElementCount?
-  
     # Storage events don't work across origins
     # e.g. http://boards.4chan.org and https://boards.4chan.org
     # so force a check for changes to avoid lost data.