Revert of [SVG2] Make transform, gradientTransform and patternTransform presentation attributes.

Reason for revert:
Caused 10-50% performance regressions on svg, see http://crbug.com/402133.

Original issue's description:
> [SVG2] Make transform, gradientTransform and patternTransform presentation attributes.
>
> Spec:
> http://www.w3.org/TR/css3-transforms/#svg-transform
> http://www.w3.org/TR/css3-transforms/#svg-syntax
> http://www.w3.org/TR/css3-transforms/#svg-gradient-transform-pattern-transform
>
> BUG=369942
>
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=179702

TBR=dschulze@chromium.org,ed@opera.com
NOTREECHECKS=true
BUG=369942

Review URL: https://codereview.chromium.org/459053002

git-svn-id: svn://svn.chromium.org/blink/trunk@179998 bbb929c8-8fbe-4397-9dbb-9b2b20218538