Update mongodb typings to v2.2 of the API

I ran into some deprecated API calls from v2.1 and I don't see any reason to have these typings checked in to source code

package.json

@@ -227,6 +227,7 @@
 	},
 	"devDependencies": {
 		"@types/mocha": "^2.2.32",
+		"@types/mongodb": "^2.2.9",
 		"@types/node": "^6.0.40",
 		"antlr4ts-cli": "^0.4.0-alpha.4",
 		"mocha": "^2.3.3",

src/typings/index.d.ts

@@ -1 +0,0 @@
-/// <reference path="modules/mongodb/index.d.ts" />

src/typings/modules/mongodb/typings.json

@@ -1,21 +0,0 @@
-{
-  "resolution": "main",
-  "tree": {
-    "src": "https://raw.githubusercontent.com/Think7/typings-mongodb/83d989a208affd72c130e1c06862363e702f87a3/typings.json",
-    "raw": "registry:npm/mongodb#2.1.0+20170211100415",
-    "main": "mongodb.d.ts",
-    "global": false,
-    "dependencies": {
-      "es6-promise": {
-        "src": "https://raw.githubusercontent.com/types/npm-es6-promise/fb04188767acfec1defd054fc8024fafa5cd4de7/typings.json",
-        "raw": "registry:common/es6-promise#4.0.0+20161003185919",
-        "main": "dist/es6-promise.d.ts",
-        "global": false,
-        "name": "es6-promise",
-        "type": "typings"
-      }
-    },
-    "name": "mongodb",
-    "type": "typings"
-  }
-}