Unreviewed GTK gardening.

Updated text expectations after r170138.

* platform/gtk/accessibility/image-map2-expected.txt: Updated.
* platform/gtk/inspector-protocol/dom/getAccessibilityPropertiesForNode-expected.txt: Updated.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170145 268f45cc-cd09-0410-ab3c-d52691b4dbfc