Remove qiuming-best from OWNERS of PROW action (#10742)

Ming stepped down from maintainers in late 2024.

Signed-off-by: Daniel Jiang <daniel.jiang@broadcom.com>

OWNERS

@@ -6,7 +6,6 @@ reviewers:
 - @Lyndon-Li
 - @anshulahuja98
 - @blackpiglet
-- @qiuming-best
 - @reasonerjt
 - @shubham-pampattiwar
 - @sseago
@@ -17,7 +16,6 @@ approvers:
 - @Lyndon-Li
 - @anshulahuja98
 - @blackpiglet
-- @qiuming-best
 - @reasonerjt
 - @shubham-pampattiwar
 - @sseago