Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/csharp/src/Google.Protobuf.Test/project.json

Index: third_party/protobuf/csharp/src/Google.Protobuf.Test/project.json
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf.Test/project.json b/third_party/protobuf/csharp/src/Google.Protobuf.Test/project.json
deleted file mode 100644
index 3a73bf7a0447a0a0c4bad2fc08913b76ae43c57b..0000000000000000000000000000000000000000
--- a/third_party/protobuf/csharp/src/Google.Protobuf.Test/project.json
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-  "buildOptions": {
-    "debugType": "portable",
-    "keyFile": "../../keys/Google.Protobuf.snk"
-  },
-
-  "configurations": {
-    "Debug": {
-      "buildOptions": {
-        "define": [ "DEBUG", "TRACE" ]
-      }
-    },
-    "Release": {
-      "buildOptions": {
-        "define": [ "RELEASE", "TRACE" ],
-        "optimize": true
-      }
-    }
-  },
-
-  "dependencies": {
-    "Google.Protobuf": { "target": "project" },
-    "NUnit": "3.4.0",
-    "dotnet-test-nunit": "3.4.0-alpha-2"
-  },
-
-  "testRunner": "nunit",
-
-  "frameworks": {
-    "netcoreapp1.0": {
-      "imports" : [ "dnxcore50", "netcoreapp1.0", "portable-net45+win8" ],
-      "buildOptions": {
-        "define": [ "PCL" ]
-      },
-      "dependencies": {
-        "Microsoft.NETCore.App": { 
-          "version": "1.0.0",
-          "type": "platform"
-        },
-        "System.Console": "4.0.0"
-      }
-    }
-  }
-}