cq.cfg: use luci.infra.try bucket

config/cq.cfg

Index: config/cq.cfg
diff --git a/config/cq.cfg b/config/cq.cfg
index 70b2fbfa4ca13730726971dd6dbfbd6ad3a18170..fd23371c71758c37a18b30d70652a25685102cc6 100644
--- a/config/cq.cfg
+++ b/config/cq.cfg
@@ -41,17 +41,12 @@ verifiers {
       }
     }
     buckets {
-      name: "master.tryserver.infra",
+      name: "luci.infra.try",
       builders {name: "Infra Presubmit"}
-      builders {name: "Infra Presubmit (Swarming)"}
       builders {name: "Infra Linux Trusty 64 Tester"}
-      builders {name: "Infra Linux Trusty 64 Tester (Swarming)"}
       builders {name: "Infra Linux Precise 32 Tester"}
-      builders {name: "Infra Linux Precise 32 Tester (Swarming)"}
       builders {name: "Infra Mac Tester"}
-      builders {name: "Infra Mac Tester (Swarming)"}
       builders {name: "Infra Win Tester"}
-      builders {name: "Infra Win Tester (Swarming)"}
     }
   }
   sign_cla {}