Remove padding-left from .uls-trigger

This padding appears to be unnecessary. It's overridden in Vector 2022 & legacy Vector, and doesn't seem useful in Monobook as well.
It would be helpful to remove because it overlaps with the Codex button styles

Bug: T336526
Change-Id: I6a991600f8826fbeb09c7afb0c4cea4ebfd5cdd5

resources/css/ext.uls.pt.less

@@ -24,7 +24,6 @@
 	background: no-repeat url( ../../lib/jquery.uls/images/language.svg ) left center;
 	// Let the SVG image fit without cropping or stretch
 	background-size: contain;
-	padding-left: 24px;
 }
 
 /* stylelint-disable indentation, selector-max-id */