Move Andy to emeritus approver status

Signed-off-by: Rob Sanchez <rosan@microsoft.com>

OWNERS

@@ -3,7 +3,6 @@ approvers:
   - gupta-ak
   - achamayou
   - anakrish
-  - andschwa
   - dthaler
   - johnkord
   - mikbras
@@ -13,7 +12,6 @@ reviewers:
   - gupta-ak
   - achamayou
   - anakrish
-  - andschwa
   - dthaler
   - johnkord
   - mikbras
@@ -22,3 +20,4 @@ reviewers:
 emeritus_approvers:
   - jhand2    # 2020-11-05
   - CodeMonkeyLeet #2021-04-05
+  - andschwa #2021-06-01