Remove -r for dry-run to use it as full name parameter

Signed-off-by: cmoulliard <cmoulliard@redhat.com>

bin/provision-namespace.sh

@@ -57,7 +57,7 @@ function usage() {
   echo "  -o, --quay-org      <quay_organization>                The Quay registry organization hosting your images on quay.io (mandatory)"
   echo "  -d, --docker-cred   <docker_username:docker_password>  The docker registry credential: username:password on dockerhub (mandatory)"
   echo "  -k, --key-path      <public_key_path>                  The path of your public to ssh to the VM (optional)"
-  echo "  -r, --dry-run                                          Run the kubectl command with dry-run=client"
+  echo "  --dry-run                                              Run the kubectl command with dry-run=client"
   exit 1
 }
 
@@ -83,7 +83,7 @@ while [[ $# -gt 0 ]]; do
       PUBLIC_KEY_PASS=$2
       shift 2
       ;;
-    -r|--dry-run)
+    --dry-run)
       DRY_RUN=true
       shift
       ;;