Fully remove `ThinClient` from `bench-tps` #132

Job	Run time
android (ubuntu-20.04, x86_64-linux-android)	2m 50s
ios (macos-11, aarch64-apple-ios)	6m 51s
android (ubuntu-20.04, aarch64-linux-android)	3m 7s
ios (macos-11, x86_64-apple-ios)	7m 1s
android (ubuntu-20.04, i686-linux-android)	3m 3s
ios (macos-11, aarch64-apple-darwin)	7m 5s
android (ubuntu-20.04, armv7-linux-androideabi)	3m 13s
ios (macos-11, x86_64-apple-darwin)	6m 21s
error_reporting	0s
	39m 31s

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