Auto merge of #12068 - Bhardwaj-Himanshu:#12056, r=epage

docs(registry): Further specify owner-remove response (#12056)

### What does this PR try to resolve?

This fixes a documentation issue as mentioned in #12056.

### How should we test and review this PR?

This is just a markdown file change, so it does not break anything.

### Additional information

Let me know if you have any changes or suggestions or how to write the tests for markdown files as well!

Thanks

src/doc/src/reference/registry-web-api.md

@@ -307,6 +307,7 @@ A successful response includes the JSON object:
 ```javascript
 {
     // Indicates the remove succeeded, always true.
+    "message": "Needed but not used yet!",
     "ok": true
 }
 ```