Administration: Remove a misleading pointer cursor from list items in the admin menu.

This prevents unclickable areas within the menu from appearing clickable.

Props circlecube, kurudrive, ryelle, opurockey

Fixes #51551

Built from https://develop.svn.wordpress.org/trunk@51684


git-svn-id: http://core.svn.wordpress.org/trunk@51290 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/admin-menu-rtl.css

@@ -162,7 +162,6 @@
 #adminmenu li {
 	margin: 0;
 	padding: 0;
-	cursor: pointer;
 }
 
 #adminmenu a {

wp-admin/css/admin-menu.css

@@ -161,7 +161,6 @@
 #adminmenu li {
 	margin: 0;
 	padding: 0;
-	cursor: pointer;
 }
 
 #adminmenu a {