Revert "Add owners file for tools/run_tests/"

.github/CODEOWNERS

@@ -6,6 +6,4 @@
 /cmake/** @jtattermusch @nicolasnoble @matt-kwong
 /src/core/ext/filters/client_channel/** @markdroth @dgquintas @a11r
 /tools/dockerfile/** @jtattermusch @matt-kwong @nicolasnoble
-/tools/run_tests/** @jtattermusch @matt-kwong @dgquintas
-/tools/run_tests/generated/** @grpc/grpc-team
 /tools/run_tests/performance/** @ncteisen @matt-kwong @jtattermusch

tools/run_tests/OWNERS

@@ -1,8 +0,0 @@
-set noparent
-
-# These owners are in place to because our test runners are non-trivial
-# and bad changes can cause lot of stuff fail silently.
-
-@jtattermusch
-@matt-kwong
-@dgquintas

tools/run_tests/generated/OWNERS

@@ -1,4 +0,0 @@
-set noparent
-
-# Files in this directory are generated. Anyone from grpc-team can approve.
-@grpc/grpc-team