Remove superfluous tsconfig.

src/filebrowser/tsconfig.json

@@ -1,16 +0,0 @@
-{
-  "compilerOptions": {
-    "declaration": true,
-    "noImplicitAny": true,
-    "noEmitOnError": true,
-    "module": "commonjs",
-    "moduleResolution": "node",
-    "target": "ES5",
-    "outDir": "../lib"
-  },
-  "files": [
-    "../typings/es6-promise.d.ts",
-    "../typings/moment/moment.d.ts",
-    "index.ts"
-  ]
-}