chore(examples): remove bun from devEngines

Remove bun from devEngines runtime list in examples package.json
as the project has migrated to pnpm.

Author: ryoppippi

examples/package.json

@@ -24,11 +24,6 @@
         "name": "node",
         "version": "^24.11.0",
         "onFail": "download"
-      },
-      {
-        "name": "bun",
-        "version": "^1.3.2",
-        "onFail": "download"
       }
     ]
   }