Removes the maintainers from Upbound since all effort is put into mai…

…ntaining and improving Upbound's own AWS provider: https://github.com/upbound/provider-aws

Signed-off-by: Jean du Plessis <[email protected]>

OWNERS.md

@@ -10,13 +10,7 @@ guidelines and responsibilities for the steering committee and maintainers.
 
 ## Maintainers
 
-* Nic Cope <[email protected]> ([negz](https://github.com/negz))
-* Daniel Mangum <[email protected]> ([hasheddan](https://github.com/hasheddan))
-* Muvaffak Onuş <[email protected]> ([muvaf](https://github.com/muvaf))
+* Daniel Mangum <[email protected]> ([hasheddan](https://github.com/hasheddan))
 * Krish Chowdhary <[email protected]> ([krishchow](https://github.com/krishchow))
-* Hasan Türken <[email protected]> ([turkenh](https://github.com/turkenh))
-* Alper Rifat Uluçınar <[email protected]> ([ulucinar](https://github.com/ulucinar))
-* Aaron Eaton <[email protected]>  ([AaronME](https://github.com/AaronME))
 * Carl Henrik Lunde <[email protected]> ([chlunde](https://github.com/chlunde))
-* Christopher Haar <[email protected]> ([haarchri](https://github.com/haarchri))
 * Maximilian Blatt ([MisterMX](https://github.com/MisterMX))