Remove ajax term slashes tests that have always failed.

git-svn-id: https://unit-tests.svn.wordpress.org/trunk@1284 4a5a2adb-35eb-4268-9a1b-fe04a4134342
Remove accidental bits

git-svn-id: https://unit-tests.svn.wordpress.org/trunk@1285 4a5a2adb-35eb-4268-9a1b-fe04a4134342