AndroidStudio完全アンインストールマニュアル ref: http://qiita.com/konifar/items/508e26dba72cab52cebd

file0.txt

$ rm -Rf /Applications/Android\ Studio.app
$ rm -Rf ~/Library/Application\ Support/AndroidStudio*
$ rm -Rf ~/Library/Logs/AndroidStudio*
$ rm -Rf ~/Library/Caches/AndroidStudio*

file1.txt

$ rm -Rf ~/Library/Preferences/AndroidStudio*
$ rm ~/Library/Preferences/com.google.android.studio.plist

file2.txt

$ rm -Rf ~/AndroidStudioProjects