Remove unused registry types from `LANGUAGE_TO_REGISTRY_TYPE` #7114

Job	Run time
Go: tracing with autobuilder step (macos-latest, stable-v2.20.7)	4m 6s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.19.4)	1m 25s
Go: tracing with autobuilder step (macos-latest, stable-v2.19.4)	4m 6s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.20.7)	1m 24s
Go: tracing with autobuilder step (macos-latest, stable-v2.18.4)	4m 7s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.18.4)	1m 37s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.17.6)	1m 21s
Go: tracing with autobuilder step (macos-latest, stable-v2.17.6)	4m 6s
Go: tracing with autobuilder step (macos-latest, linked)	4m 6s
Go: tracing with autobuilder step (ubuntu-latest, linked)	1m 12s
Go: tracing with autobuilder step (macos-latest, stable-v2.21.4)	4m 8s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.21.4)	1m 24s
Go: tracing with autobuilder step (ubuntu-latest, stable-v2.22.4)	1m 27s
Go: tracing with autobuilder step (ubuntu-latest, nightly-latest)	1m 24s
Go: tracing with autobuilder step (macos-latest, default)	4m 5s
Go: tracing with autobuilder step (ubuntu-latest, default)	1m 4s
Go: tracing with autobuilder step (macos-latest, stable-v2.22.4)	4m 8s
Go: tracing with autobuilder step (macos-latest, nightly-latest)	4m 7s
	49m 17s

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