[Qt] Unreviewed gardening. Skipped failing tests.

* platform/qt-5.0-wk2/fast/forms/select-baseline-expected.png: Removed.
* platform/qt-5.0-wk2/fast/forms/select-baseline-expected.txt: Removed.
* platform/qt-5.0/fast/forms/select-baseline-expected.png: Removed.
* platform/qt-5.0/fast/forms/select-baseline-expected.txt: Removed.
* platform/qt/TestExpectations:
* platform/qt/fast/forms/select-baseline-expected.png: Update after r143836.
* platform/qt/fast/forms/select-baseline-expected.txt: Update after r143836.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143899 268f45cc-cd09-0410-ab3c-d52691b4dbfc