[CQ] Temporarily switch off pure swarming bots.

infra/config/cq.cfg

Index: infra/config/cq.cfg
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index ea289b2bfbc68b4cd918fd04ed91c171d5b2e8ce..7eec33927f686c54ec278bc08e8f8f95963b655d 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -40,18 +40,10 @@ verifiers {
       builders { name: "v8_linux_rel" }
       builders { name: "v8_mac_rel" }
       builders { name: "v8_presubmit" }
-      builders { name: "v8_win64_rel_ng" }
-      builders {
-        name: "v8_win64_rel_ng_triggered"
-        triggered_by: "v8_win64_rel_ng"
-      }
+      builders { name: "v8_win64_rel" }
       builders { name: "v8_win_compile_dbg" }
       builders { name: "v8_win_nosnap_shared_compile_rel" }
-      builders { name: "v8_win_rel_ng" }
-      builders {
-        name: "v8_win_rel_ng_triggered"
-        triggered_by: "v8_win_rel_ng"
-      }
+      builders { name: "v8_win_rel" }
     }
     buckets {
       name: "tryserver.blink"