Remove typings (not needed in TS 2+)

.gitignore

@@ -11,5 +11,4 @@ example/*.log
 docs/
 npm-debug.log
 /.idea/
-typings/
 .env

bin/build

@@ -1,7 +1,5 @@
 #! /usr/bin/env sh
 
-typings install
-
 mkdir -p build
 browserify src/xterm.js --standalone Terminal -p [ tsify ] --outfile build/xterm.js
 cp src/xterm.css build/xterm.css

package.json

@@ -23,8 +23,7 @@
     "pty.js": "0.3.1",
     "sleep": "^3.0.1",
     "tsify": "^1.0.7",
-    "typescript": "^2.0.3",
-    "typings": "^1.4.0"
+    "typescript": "^2.0.3"
   },
   "scripts": {
     "start": "nodemon --watch src --watch addons --exec bash -c './bin/build && node demo/app'",