Fix/Feat: RemoveScheme not deleting demo schemes and requestor schemes #673

Job	Run time
test	6m 33s
lint	55s
build (linux, amd64)	37s
docker-build	39s
build (linux, 386)	31s
build (linux, arm)	31s
build (linux, arm64)	33s
build (darwin, amd64)	38s
build (darwin, arm64)	37s
build (windows, amd64)	38s
build (windows, 386)	37s
build (windows, arm)	31s
build (windows, arm64)	36s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	2m 10s
integration-test-clientside (v0.13.2)	2m 7s
analyze	2m 5s
	20m 18s

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