Remove stale credential filtering TODO (#1790)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jeffwidman

src/main.ts

@@ -508,8 +508,6 @@ export function credentialsFromEnv(): Credential[] {
         core.setSecret((e as Record<string, unknown>)[key] as string)
       }
     }
-
-    // TODO: Filter down to only credentials relevant to this job.
   }
 
   return parsed