memorystorage: fix deleting cluster info when cleaning a resource #2185

Job	Run time
Lint with golangci-lint	24s
Lint with golangci-lint	24s
Vertify import alias, vendor, codegen, crds	55s
Vertify import alias, vendor, codegen, crds	55s
Build	3m 1s
Build	3m 1s
E2e test	11m 8s
E2e test	10m 19s
Unit test	2m 44s
Unit test	2m 44s
	35m 35s

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