chore: Clean up client config codegen #4046

Job	Run time
linux (jammy, 5.9)	14m 6s
apple (macos-14, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	11m 42s
linux (jammy, 6.0)	13m 51s
apple (macos-14, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation) (a...	7m 35s
apple (macos-14, Xcode_15.2, platform=visionOS Simulator,OS=1.0,name=Apple Vision Pro)	16m 30s
apple (macos-14, Xcode_15.2, platform=macOS)	11m 11s
apple (macos-15, Xcode_16.1, platform=iOS Simulator,OS=18.1,name=iPhone 16)	9m 8s
apple (macos-15, Xcode_16.1, platform=tvOS Simulator,OS=18.1,name=Apple TV 4K (3rd generation) (a...	8m 53s
apple (macos-15, Xcode_16.1, platform=visionOS Simulator,OS=2.1,name=Apple Vision Pro)	8m 10s
apple (macos-15, Xcode_16.1, platform=macOS)	10m 55s
	1h 52m 1s

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