Revert "wrapping findBootstrapEnvironment so that it doesn't run before the DOM is ready #2417"

This reverts commit e42365f7c1.

public/src/utils.js

@@ -256,7 +256,6 @@
 
 		findBootstrapEnvironment: function() {
 			//http://stackoverflow.com/questions/14441456/how-to-detect-which-device-view-youre-on-using-twitter-bootstrap-api
-			$(document).ready(function() {
 			var envs = ['xs', 'sm', 'md', 'lg'],
 				$el = $('<div>');
 
@@ -271,7 +270,6 @@
 					return env;
 				}
 			}
-			});
 		},
 
 		// get all the url params in a single key/value hash