Revert remove role duplication issue

includes/core/class-roles-capabilities.php

@@ -158,24 +158,6 @@ if ( ! class_exists( 'Roles_Capabilities' ) ) {
         }
 
 
-	    /**
-	     * Remove user role
-	     *
-	     * @param $user_id
-	     * @param $role
-	     */
-        function remove_role( $user_id, $role ) {
-	        // Validate user id
-	        $user = get_userdata( $user_id );
-
-	        // User exists
-	        if ( ! empty( $user ) ) {
-		        // Remove role
-		        $user->remove_role( $role );
-	        }
-        }
-
-
 		/**
 		 * Set roles to user (remove all previous roles)
 		 * make user only with $roles roles