sync.profile: Remove dependency on qtjsbackend

Change-Id: I80094d55cfc91e9c470ecc5da7be30450714aa58
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

sync.profile

@@ -12,6 +12,5 @@
 %dependencies = (
     "qtbase" => "",
     "qtdeclarative" => "",
-    "qtjsbackend" => "",
     "qtxmlpatterns" => "",
 );