llvmbot monitor: Move flang-libcxx to normal

Change-Id: Ia1dc4047c22f2d8e5a57f0b64e4366e0f114c42d
diff --git a/monitor/linaro.json b/monitor/linaro.json
index 8690659..3f4bf12 100644
--- a/monitor/linaro.json
+++ b/monitor/linaro.json
@@ -72,20 +72,7 @@
           { "name": "flang-aarch64-release" },
           { "name": "flang-aarch64-debug-reverse-iteration" },
           { "name": "flang-aarch64-rel-assert" },
-          { "name": "flang-aarch64-latest-gcc" }
-        ]
-      }
-    ]
-  },
-  {
-    "name": "LLVM Silent Master",
-    "base_url": "https://lab.llvm.org/staging",
-    "builder_url": "builders",
-    "build_url": "builds",
-    "builders": [
-      {
-        "name": "Flang",
-        "bots": [
+          { "name": "flang-aarch64-latest-gcc" },
           { "name": "flang-aarch64-libcxx" }
         ]
       }