Merge pull request #372 from jeanduplessis/update-owners

Update OWNERS.md to remove Upbound maintainers

OWNERS.md

@@ -10,11 +10,5 @@ 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 Onus <[email protected]> ([muvaf](https://github.com/muvaf))
-* Jared Watts <[email protected]> ([jbw976](https://github.com/jbw976))
+* Daniel Mangum <[email protected]> ([hasheddan](https://github.com/hasheddan))
 * Artur Souza <[email protected]> ([artursouza](https://github.com/artursouza))
-* 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))