Remove duplicate did:jwk #885

Job	Run time
assert_full_test_suite	7s
Build aarch64-apple-darwin target	2m 44s
Build x86_64-apple-darwin target	4m 7s
Build x86_64-unknown-linux-gnu target	3m 58s
Build x86_64-pc-windows-msvc target	5m 39s
Build x86_64-unknown-linux-musl target	6m 9s
test (ubuntu-latest)	2m 58s
test (macos-latest)	2m 21s
lint	2m 34s
test (windows-latest)	5m 29s
rust-test	2m 58s
rust-test-vectors	3m 56s
kotlin-build-test-deploy-snapshot	1m 32s
kotlin-acceptance-test	0s
	44m 32s

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