bower.json: Remove font files from main

Per bower/spec#43 :
> font files [...] are not `main` files as they are not entry-points.

If you have a complaint about this, take it up with the Bower folks:
https://github.com/bower/bower.json-spec/issues

Author: cvrebert

bower.json

@@ -11,11 +11,6 @@
   "description": "bootstrap-sass is a Sass-powered version of Bootstrap, ready to drop right into your Sass powered applications.",
   "main": [
     "assets/stylesheets/_bootstrap.scss",
-    "assets/fonts/bootstrap/glyphicons-halflings-regular.eot",
-    "assets/fonts/bootstrap/glyphicons-halflings-regular.svg",
-    "assets/fonts/bootstrap/glyphicons-halflings-regular.ttf",
-    "assets/fonts/bootstrap/glyphicons-halflings-regular.woff",
-    "assets/fonts/bootstrap/glyphicons-halflings-regular.woff2",
     "assets/javascripts/bootstrap.js"
   ],
   "keywords": [