Remove unused registry types from `LANGUAGE_TO_REGISTRY_TYPE` #7131

Job	Run time
Go: tracing with autobuilder step (macos-latest, stable-v2.21.4)	5m 38s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.21.4)	1m 19s
Go: tracing with autobuilder step (macos-latest, stable-v2.17.6)	5m 38s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.17.6)	1m 15s
Go: tracing with autobuilder step (ubuntu-latest, default)	1m 12s
Go: tracing with autobuilder step (macos-latest, stable-v2.22.4)	5m 54s
Go: tracing with autobuilder step (ubuntu-latest, nightly-latest)	1m 11s
Go: tracing with autobuilder step (macos-latest, linked)	6m 25s
Go: tracing with autobuilder step (macos-latest, nightly-latest)	4m 30s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.18.4)	1m 24s
Go: tracing with autobuilder step (macos-latest, stable-v2.19.4)	4m 41s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.20.7)	1m 28s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.19.4)	1m 40s
Go: tracing with autobuilder step (macos-latest, stable-v2.18.4)	6m 28s
Go: tracing with autobuilder step (macos-latest, default)	5m 45s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.22.4)	1m 21s
Go: tracing with autobuilder step (macos-latest, stable-v2.20.7)	6m 8s
Go: tracing with autobuilder step (ubuntu-latest, linked)	1m 13s
	1h 3m 10s

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