forge authz: scrub tracker tags from comments

Replace the #-number tracker references in code comments with prose
(tracker-tag lint; hive convention is prose in source). No behaviour
change. Branch-protection / collaborator / team / repo API field names
were verified against the live Forgejo swagger.

hive-c0re/src/agent_server.rs

@@ -318,7 +318,7 @@ fn valid_repo_name(name: &str) -> bool {
 }
 
 /// `CreateRepo` — create a repo for `agent` *through hive-c0re* in the
-/// c0re-owned `agents` org with operator-team branch protection (#1787).
+/// c0re-owned `agents` org with operator-team branch protection.
 /// The sanctioned create path now that agents can't create repos directly.
 async fn handle_create_repo(agent: &str, repo: &str) -> hive_sh4re::Response {
     if !valid_repo_name(repo) {