Function removeClasses

lib/test/angular/1.4.3/angular.js:22408–22411

(classes)

        }

        function removeClasses(classes) {
          var newClasses = digestClassCounts(classes, -1);
          attr.$removeClass(newClasses);
        }

        function digestClassCounts(classes, count) {
          // Use createMap() to prevent class assumptions involving property