removed name from curl example genai_update_custom_model_metadata

Author: chandrudo

specification/resources/gen-ai/examples/curl/genai_update_custom_model_metadata.yml

@@ -5,7 +5,6 @@ source: |-
     -H "Authorization: Bearer $DIGITALOCEAN_TOKEN" \
     "https://api.digitalocean.com/v2/gen-ai/custom_models/11f13d93-a879-c342-b542-ca68c578b04b/metadata" \
     -d '{
-      "name": "mytest-model-updated",
       "description": "finetuned model with olympiad math data",
       "tags": {
         "tags": ["finetuned", "new"]