Remove all CCR-specific code and tests #7008

Job	Run time
Ruby analysis (ubuntu-latest, linked)	48s
Ruby analysis (macos-latest, default)	1m 18s
Ruby analysis (ubuntu-latest, default)	47s
Ruby analysis (macos-latest, linked)	1m 19s
Ruby analysis (macos-latest, nightly-latest)	1m 10s
Ruby analysis (ubuntu-latest, nightly-latest)	48s
	6m 10s

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