Remove style attribute from SVGElement.idl

This attribute is already present on Element.idl. This change avoids extra bindings code
being written.

Review URL: https://codereview.chromium.org/204983019

git-svn-id: svn://svn.chromium.org/blink/trunk@169887 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/svg/SVGElement.idl

@@ -31,7 +31,6 @@
     attribute DOMString xmlspace;
 
     [MeasureAs=SVGClassName] readonly attribute SVGAnimatedString className;
-    readonly attribute CSSStyleDeclaration style;
 
     // CSSValue was deprecated in 2003:
     // http://lists.w3.org/Archives/Public/www-style/2003Oct/0347.html