* breaking: remove iOS platform code from plugin repo
* chore: update README.md, remove iOS legacy SplashScreen information
* chore: simplify local browser tests
Note: Even though the implementation of the iOS SplashScreen is integrated into the core of cordova-ios, the documentation is left in this repo. This is because all of the SplashScreen documentation is grouped together on cordova.io and that documentation is pulled from this repo.
