Fix shellchecks in test/cmd/{b,c}.*.sh

hack/.shellcheck_failures

@@ -28,11 +28,6 @@
 ./hack/update-vendor.sh
 ./hack/verify-no-vendor-cycles.sh
 ./hack/verify-test-featuregates.sh
-./test/cmd/batch.sh
-./test/cmd/certificate.sh
-./test/cmd/core.sh
-./test/cmd/crd.sh
-./test/cmd/create.sh
 ./test/cmd/diff.sh
 ./test/cmd/discovery.sh
 ./test/cmd/generic-resources.sh