delete google library

git-svn-id: https://plugins.svn.wordpress.org/yakadanda-google-hangout-events/trunk@886681 b8457f37-d9ea-0310-8a92-e5e31aec5664
relese 0.2.5

git-svn-id: https://plugins.svn.wordpress.org/yakadanda-google-hangout-events/trunk@886682 b8457f37-d9ea-0310-8a92-e5e31aec5664