Removed unused code and suppressed warnings/errors #7708

Job	Run time
workspace_clippy (vdrtools_wallet)	3m 38s
workspace_clippy (askar_wallet)	3m 31s
workflow-setup	20s
verify-code-formatting	23s
aries_vcx_clippy (credx,vdrtools_wallet)	2m 21s
aries_vcx_clippy (vdr_proxy_ledger,vdrtools_wallet)	2m 11s
test-unit-workspace	1m 36s
workflow-setup-check	1s
test-compatibility-aries-vcx-wallet	49s
build-docker-vdrproxy	5s
test-integration-aries-vcx-anoncreds-rs	3m 42s
test-integration-aries-vcx (vdrtools_wallet,credx)	5m 54s
test-wallet-migrator	1m 8s
test-integration-aries-vcx-mysql	2m 13s
test-integration-aries-vcx (askar_wallet,credx)	6m 42s
test-integration-did-crate	1m 42s
build-docker-aath-backchannel	0s
publish-docker-aath-backchannel	0s
test-integration-aries-vcx-vdrproxy	11m 19s
publish-docker-vdrproxy	2s
make-release	0s
	47m 37s

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