Removes unused font-family appLight

Author: iamolivinius

theme/stylesheets/fonts.less

@@ -6,12 +6,3 @@
          url('@{FontPath}/opensans/OpenSans-Regular.eot'),
          url('@{FontPath}/opensans/OpenSans-Regular.svg');
 }
-
-@font-face
-{
-    font-family: 'appLight';
-    src: url('@{FontPath}/helvetica/ultralight.ttf'),
-         url('@{FontPath}/helvetica/ultralight.woff'),
-         url('@{FontPath}/helvetica/ultralight.eot'),
-         url('@{FontPath}/helvetica/ultralight.svg');
-}