Fixes #14227, #14603: Drop translate3d for translate on navbars to avoid iOS...

Fixes #14227, #14603: Drop translate3d for translate on navbars to avoid iOS rendering problems and ensure a more predictable base styling

less/navbar.less

@@ -141,7 +141,6 @@
   right: 0;
   left: 0;
   z-index: @zindex-navbar-fixed;
-  .translate3d(0, 0, 0);
 
   // Undo the rounded corners
   @media (min-width: @grid-float-breakpoint) {