Fully remove `ThinClient` from `bench-tps` #217

Job	Run time
ios (macos-11, aarch64-apple-ios)	9m 47s
ios (macos-11, x86_64-apple-ios)	10m 57s
android (ubuntu-20.04, x86_64-linux-android)	2m 51s
ios (macos-11, aarch64-apple-darwin)	7m 15s
android (ubuntu-20.04, aarch64-linux-android)	2m 57s
android (ubuntu-20.04, i686-linux-android)	2m 56s
ios (macos-11, x86_64-apple-darwin)	8m 53s
android (ubuntu-20.04, armv7-linux-androideabi)	3m 16s
error_reporting	0s
	48m 52s

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