feat!: remove PerDomainTrustAnchor extension altogether. Backward inc… #3053

Job	Run time
check	3m 54s
build	5m 36s
check-strict	6m 45s
fmt	1m 37s
proteus-test	4m 55s
test	15m 8s
tooling-test	12m 38s
wasm-build (crypto)	3m 53s
wasm-core-test	9m 32s
wasm-build (keystore)	2m 30s
wasm-test (core-crypto-keystore)	3m 16s
wasm-build (mls-provider)	2m 23s
wasm-test (mls-crypto-provider)	3m 32s
e2e-interop-test	7m 30s
hack	6m 4s
proteus-wasm-test	4m 54s
	1h 34m 7s

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