Unreviewed.  Just reverting part of r60556 as requested by Dave Hyatt on webkit-commits@list.webkit.org.

        Several layout tests needlessly use invalid HTML
        https://bugs.webkit.org/show_bug.cgi?id=39985

        css1/box_properties/float_elements_in_series.html
        remains invalid HTML, but we can't change it because
        css1/ is meant to be a pristine copy of the CSS1 test suite.

        * css1/box_properties/float_elements_in_series.html:
         - Revert changes to this test.  Dave Hyatt points out
           that although undocumented, this directory is meant
           to contain a pristine copy of the CSS1 test suite.
           It really should be documented and/or moved somewhere
           special, but for now we'll just revert the changes.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@60576 268f45cc-cd09-0410-ab3c-d52691b4dbfc