Deprecate `ThinClient` and remove `ThinClient` from `bench-tps` #11209

Job	Run time
ios (macos-11, aarch64-apple-ios)	7m 38s
android (ubuntu-20.04, x86_64-linux-android)	2m 51s
ios (macos-11, x86_64-apple-ios)	6m 26s
android (ubuntu-20.04, aarch64-linux-android)	3m 1s
ios (macos-11, aarch64-apple-darwin)	6m 41s
android (ubuntu-20.04, i686-linux-android)	2m 59s
ios (macos-11, x86_64-apple-darwin)	8m 31s
android (ubuntu-20.04, armv7-linux-androideabi)	3m 11s
error_reporting	0s
	41m 18s

Provide feedback