Remove test expectations added in r133786 as these tests are now passing.

* platform/mac/TestExpectations:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146412 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Rebaseline expected results added in r143389 so that they have alpha values.

* platform/mac/svg/dynamic-updates/SVGFEImageElement-dom-preserveAspectRatio-attr-expected.png:
* platform/mac/svg/dynamic-updates/SVGFEImageElement-svgdom-preserveAspectRatio-prop-expected.png:
* svg/as-image/image-preserveAspectRatio-all-expected.png:
* svg/filters/feImage-preserveAspectRatio-all-expected.png:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146413 268f45cc-cd09-0410-ab3c-d52691b4dbfc