Do not create etcd name file if etcd is not in use #1375

Job	Run time
Build Go Tests (arm64)	3m 7s
Build Go Tests (amd64)	4m 10s
build-arm64 / Build	6m 45s
build / Build	8m 22s
E2E Tests (embeddedmirror)	13m 56s
E2E Tests (wasm)	7m 59s
E2E Tests (privateregistry)	8m 15s
E2E Tests (btrfs)	7m 0s
E2E Tests (s3)	10m 32s
E2E Tests (rootless)	8m 7s
E2E Tests (externalip)	7m 35s
E2E Tests (startup)	14m 20s
E2E Tests (multus)	7m 37s
Docker (etcd, amd64)	3m 27s
Docker (secretsencryption, amd64)	9m 19s
Docker (autoimport, amd64)	3m 44s
Docker (lazypull, amd64)	3m 4s
Docker (etcd, arm64)	4m 6s
Docker (bootstraptoken, arm64)	2m 2s
Docker (upgrade, arm64)	4m 3s
Docker (skew, amd64)	3m 32s
Docker (cacerts, amd64)	2m 20s
Docker (lazypull, arm64)	2m 26s
Docker (hardened, amd64)	4m 15s
Docker (snapshotrestore, amd64)	6m 30s
Docker (basics, arm64)	2m 11s
Docker (svcpoliciesandfirewall, amd64)	2m 59s
Docker (cacerts, arm64)	2m 2s
Docker (upgrade, amd64)	3m 54s
Docker (dualstack, amd64)	7m 19s
Docker (bootstraptoken, amd64)	1m 55s
Docker (token, amd64)	5m 29s
Docker (skew, arm64)	3m 20s
Docker (hardened, arm64)	3m 24s
Docker (basics, amd64)	2m 43s
Docker (token, arm64)	4m 39s
	3h 16m 28s

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