Remove implementation bits for clusters that are being removed. #106065

Job	Run time
Build on Darwin (clang, python_lib, simulated)	59m 17s
Build on Darwin (clang, python_lib, simulated)	1h 51m 51s
Build on Linux (fake, gcc_release, clang, simulated)	2h 3m 0s
Build on Linux (fake, gcc_release, clang, simulated)	2h 3m 0s
Build on Linux (coverage)	18m 45s
Build on Linux (coverage)	18m 45s
Build on Linux (python_lib)	27m 5s
Build on Linux (python_lib)	27m 5s
Build on Linux (gcc_debug)	1h 6m 17s
Build on Linux (gcc_debug)	1h 6m 17s
Build on Linux (python lighting-app)	11m 19s
Build on Linux (python lighting-app)	11m 19s
	11h 4m 0s

Provide feedback