Remove partial jquery.uls submodule
Remove partial jquery.uls submodule

Follows-up aa5b45d08d.
It seems this was not properly removed. It causes problem when checking
out submodules recursively.

This fixes T124266.

Bug: T124266
Change-Id: I89e50002f659a2fabbde82dc07d86ef9c34fdc84

wikimedia/mediawiki-extensions-SpellingDictionary,wikimedia/mediawiki-extensions-SpellingDictionary