fix(ngAnimate): ensure SVG classes are properly removed

Author: matsko

src/ngAnimate/shared.js

@@ -110,7 +110,6 @@ function applyAnimationClassesFactory($$jqLite) {
     }
     if (options.removeClass) {
       $$removeClass($$jqLite, element, options.removeClass);
-      element.removeClass(options.removeClass);
       options.removeClass = null;
     }
   }

test/ngAnimate/animateCssSpec.js

@@ -2421,7 +2421,8 @@ describe("ngAnimate $animateCss", function() {
           duration: 0
         });
 
-        expect(child.attr('class')).toBe('');
+        var className = child[0].getAttribute('class');
+        expect(className).toBe('');
       }));
     });
   });