remove debugger line

Author: dfreedm

test/unit/styling-scoped-nopatch.html

@@ -165,7 +165,6 @@
         deepContainer.appendChild(deep);
         el.$.other.scopeSubtree(deepContainer);
         el.scopeSubtree(container);
-        debugger;
         assertComputed(deep, '10px');
       });
     });