More Layout test tidying

More Layout test tidying

RS=Alexey

Move dom/xhtml/level2/html/HTMLBaseElement0[12].xhtml expected output
to cross platform directory, remove unnecessary pixel results.

        * dom/xhtml/level2/html/HTMLBaseElement01-expected.txt: Added.
        * dom/xhtml/level2/html/HTMLBaseElement02-expected.txt: Added.
        * platform/mac/dom/xhtml/level2/html/HTMLBaseElement01-expected.checksum: Removed.
        * platform/mac/dom/xhtml/level2/html/HTMLBaseElement01-expected.png: Removed.
        * platform/mac/dom/xhtml/level2/html/HTMLBaseElement01-expected.txt: Removed.
        * platform/mac/dom/xhtml/level2/html/HTMLBaseElement02-expected.checksum: Removed.
        * platform/mac/dom/xhtml/level2/html/HTMLBaseElement02-expected.png: Removed.
        * platform/mac/dom/xhtml/level2/html/HTMLBaseElement02-expected.txt: Removed.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@26547 268f45cc-cd09-0410-ab3c-d52691b4dbfc