swift234

[build-script][SR-237] Migrate --skip-{variant} --skip-build-{variant}

Eliminate some arguments tweaks from build-script-impl

Migreated:
  --skip-ios
  --skip-tvos
  --skip-watchos
  --skip-build-ios
  --skip-build-ios-device
  --skip-build-ios-simulator
  --skip-build-tvos
  --skip-build-tvos-device
  --skip-build-tvos-simulator
  --skip-build-watchos
  --skip-build-watchos-device
  --skip-build-watchos-simulator
  --skip-build-android

Removed from impl:
  // These args were merely shorthands for:
  //   --skip-build-{variant}-{device,simulator}
  //   --skip-test-{variant}-{host,simulator}
  --skip-ios
  --skip-tvos
  --skip-watchos
  --skip-build-ios
  --skip-build-tvos
  --skip-build-watchos