code tidying

wagtail/wagtailadmin/static/wagtailadmin/css/components/icons.less

@@ -12,7 +12,7 @@
 @media screen and (-webkit-min-device-pixel-ratio:0) {
     @font-face {
         font-family: 'wagtail';
-            src: url("@{css-root}fonts/wagtail.svg#wagtail") format("svg"),
+        src: url("@{css-root}fonts/wagtail.svg#wagtail") format("svg"),
     }
 }
 

wagtail/wagtailadmin/static/wagtailadmin/css/core.less

@@ -870,7 +870,6 @@ footer, .logo{
 
 @media screen and (min-width: 90em){
     .wrapper{
-        /*background-color:@color-grey-5;*/
         max-width:@breakpoint-desktop-larger;
     }
     .nav-wrapper{
@@ -893,7 +892,7 @@ footer, .logo{
 #nav-toggle,
 footer,
 .logo{
-    .transition(all 0.2s ease); /* TODO: ensure that nav-wrapper can't be seen to be gradually expanding to fill height of screen, by removing unnecessary transitions */
+    .transition(all 0.2s ease);
 }
 .nav-wrapper{    
     .transition-transform(0.2s ease);