Remove bower support. Closes #195

bower.json

@@ -1,23 +0,0 @@
-{
-  "name": "hawk",
-  "main": "dist/browser.js",
-  "license": "./LICENSE",
-  "ignore": [
-    "lib/*",
-    "!dist",
-    "!dist/browser.js"
-  ],
-  "keywords": [
-    "http",
-    "authentication",
-    "scheme",
-    "hawk"
-  ],
-  "authors": [
-    "Eran Hammer <eran@hammer.io>"
-  ],
-  "repository": {
-    "type": "git",
-    "url": "git://github.com/hueniverse/hawk.git"
-  }
-}