test/extended/etcd: cleanup OWNERS
reviewers:
+ - csrwng
+ - hasbro17
- hexfusion
- - lilic
- - marun
+ - ironcladlou
- smarterclayton
approvers:
+ - csrwng
+ - hasbro17
- hexfusion
- - lilic
- - marun
+ - ironcladlou
- smarterclayton
