* Remove stray PRODUCT_BUNDLE_IDENTIFIER
This was erroneously added and overrides
the bundle for the gallery causing signing
to fail in my setup.
@chinmaygarde
* Remove PRODUCT_BUNDLE_IDENTIFIER from all Runner pbxproj's
This patch changes the default `flutter create` command to generate a
HelloServices-style app on iOS. As a consequence, the Atom integration now
fully works with HelloServices.