Revert "use_ozone=1 for ANGLE CQ."

infra/config/cq.cfg

@@ -20,9 +20,5 @@ verifiers {
       builders { name: "win_angle_x64_rel_ng" }
       builders { name: "win_angle_x64_dbg_ng" }
     }
-    buckets {
-      name: "tryserver.chromium.linux"
-      builders { name: "linux_chromium_gn_chromeos_rel" }
-    }
   }
 }