Update REVIEWING.md

As I received an email about the [SVG review team being dissolved](#32996) (which I'm absolutely fine with!), I propose to update the REVIEWING.md as well.

I hereby ask to be moved to the Alumni section.

REVIEWING.md

@@ -193,11 +193,7 @@ team, which currently consists of [@Rumyra](https://github.com/Rumyra/).
   - [@Rumyra](https://github.com/Rumyra)
   - [@sideshowbarker](https://github.com/sideshowbarker)
   - [@Elchi3](https://github.com/Elchi3)
-  - [@jpmedley](https://github.com/jpmedley)
-- [SVG reference content](https://github.com/mdn/content/tree/main/files/en-us/web/svg)
-  — the [@yari-content-svg](https://github.com/orgs/mdn/teams/yari-content-svg)
-  team, which consists of:
-  - [@Ryuno-Ki](https://github.com/Ryuno-Ki)
+  - [@jpmedley](https://github.com/jpmedley)  
 
 ### Reviewer alumni
 
@@ -206,6 +202,7 @@ longer have the time to contribute; we want to give them our sincere thanks
 for all their help.
 
 - [@vkWeb](https://github.com/vkWeb/)
+- [@Ryuno-Ki](https://github.com/Ryuno-Ki)
 
 [get in touch with us]: https://developer.mozilla.org/en-US/docs/MDN/Community/Contributing/Getting_started#what_can_i_do_to_help
 [mdn code example guidelines]: https://developer.mozilla.org/en-US/docs/MDN/Writing_guidelines/Writing_style_guide/Code_style_guide