agent: Remove duplicate `OpenConfiguration` action registration (#27918)

I had introduced the same thing a few days ago without noticing there
was one in place already!

Release Notes:

- N/A
0f58d4f533Danilo Leal committed on 4/2/2025, 2:16:59 PM· committed by GitHubparentd340670
1 file changedLine totals unavailable