Merge pull request #5690 from mattfarina/fix-owners

Updating OWERS to remove outdated reviewers and to reflect current case

OWNERS

 maintainers:
-  - adamreese
-  - bacongobbler
-  - hickeyma
-  - jascott1
-  - mattfarina
-  - michelleN
-  - prydonius
-  - SlickNik
-  - technosophos
-  - thomastaylor312
-  - viglesiasce
-reviewers:
   - adamreese
   - bacongobbler
   - fibonacci1729
+  - hickeyma
   - jascott1
   - mattfarina
   - michelleN
-  - migmartri
-  - nebril
   - prydonius
   - SlickNik
   - technosophos