Remove keychain name param #784

Job	Run time
spm-build-test (macos-latest, macosx)	1m 53s
spm-build-test (macos-latest, iphonesimulator)	1m 53s
pod-lib-lint (macos-13, GoogleSignIn.podspec)	14m 58s
pod-lib-lint (macos-13, GoogleSignIn.podspec, --use-static-frameworks)	11m 24s
pod-lib-lint (macos-13, GoogleSignInSwiftSupport.podspec, --use-static-frameworks)	16m 5s
pod-lib-lint (macos-13, GoogleSignInSwiftSupport.podspec)	12m 53s
	59m 6s

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