remove google repo
remove google repo

fixes #881

arnesson/cordova-plugin-firebase,DigitalsunrayMedia/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,DigitalsunrayMedia/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,ceisinger/cordova-plugin-firebase,DigitalsunrayMedia/cordova-plugin-firebase,arnesson/cordova-plugin-firebase,arnesson/cordova-plugin-firebase,arnesson/cordova-plugin-firebase