pyauto: Remove omnibox app search tests.
Because omnibox no longer provides app search as in r166388.
Tests removed:
- testBasicAppSearch
- testAppNameWithSpaceSearch
- testAppNameWithNumberSearch
- testAppComboNameWithSpecialCharSearch
- testAppSearchWithVeryLongAppName
- testIncognitoAppNameWithSpaceSearch
- testIncognitoAppComboNameWithSpecialCharSearch
- testIncognitoAppSearchWithVeryLongAppName
- testRepeatedlyAppLaunchInTabs
- testEndPartAppNameSearchInNewTab
- testBeginningPartAppNameSearchInNewTab
BUG=160086
TEST=Verify pyauto functional tests should pass.
Review URL: https://codereview.chromium.org/
11366158
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@166800 0039d316-1c4b-4281-b951-d872f2087c98