snc: Switch to https://mirror.openshift.com/pub/openshift-v4/$ARCH/clients/ocp/

This was still using ocp-dev-preview, but since 4.13 is released,
ocp-dev-preview is no longer needed/updated.

Author: cfergeau

snc.sh

@@ -31,7 +31,7 @@ BASE_DOMAIN=${CRC_BASE_DOMAIN:-testing}
 CRC_PV_DIR="/mnt/pv-data"
 SSH="ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i id_ecdsa_crc"
 SCP="scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i id_ecdsa_crc"
-MIRROR=${MIRROR:-https://mirror.openshift.com/pub/openshift-v4/$ARCH/clients/ocp-dev-preview}
+MIRROR=${MIRROR:-https://mirror.openshift.com/pub/openshift-v4/$ARCH/clients/ocp}
 CERT_ROTATION=${SNC_DISABLE_CERT_ROTATION:-enabled}
 USE_PATCHED_RELEASE_IMAGE=${SNC_USE_PATCHED_RELEASE_IMAGE:-disabled}
 HTPASSWD_FILE='users.htpasswd'