llvmbot monitor: Replace flang debug with flang debug reverse iteration

Change-Id: Ib188195ee30af70eeff05d9b988e611a914f3ba1
diff --git a/monitor/linaro.json b/monitor/linaro.json
index 5ea4634..35ee09b 100644
--- a/monitor/linaro.json
+++ b/monitor/linaro.json
@@ -70,7 +70,7 @@
           { "name": "flang-aarch64-sharedlibs" },
           { "name": "flang-aarch64-out-of-tree" },
           { "name": "flang-aarch64-release" },
-          { "name": "flang-aarch64-debug" },
+          { "name": "flang-aarch64-debug-reverse-iteration" },
           { "name": "flang-aarch64-latest-clang" },
           { "name": "flang-aarch64-rel-assert" },
           { "name": "flang-aarch64-latest-gcc" }
@@ -79,20 +79,6 @@
     ]
   },
   {
-    "name": "LLVM Silent Master",
-    "base_url": "https://lab.llvm.org/staging",
-    "builder_url": "builders",
-    "build_url": "builds",
-    "builders": [
-      {
-        "name": "Flang",
-        "bots": [
-          { "name": "flang-aarch64-debug-reverse-iteration" }
-        ]
-      }
-    ]
-  },
-  {
     "name": "Buildkite",
     "base_url": "https://www.buildkite.com",
     "buildkite_org": "llvm-project",