diff -r 2b3247d02769 -r f55970e41793 server/src/resources/assets/less/bootstrap/utilities.less
--- a/server/src/resources/assets/less/bootstrap/utilities.less	Wed Jun 24 01:36:46 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,56 +0,0 @@
-//
-// Utility classes
-// --------------------------------------------------
-
-
-// Floats
-// -------------------------
-
-.clearfix {
-  .clearfix();
-}
-.center-block {
-  .center-block();
-}
-.pull-right {
-  float: right !important;
-}
-.pull-left {
-  float: left !important;
-}
-
-
-// Toggling content
-// -------------------------
-
-// Note: Deprecated .hide in favor of .hidden or .sr-only (as appropriate) in v3.0.1
-.hide {
-  display: none !important;
-}
-.show {
-  display: block !important;
-}
-.invisible {
-  visibility: hidden;
-}
-.text-hide {
-  .text-hide();
-}
-
-
-// Hide from screenreaders and browsers
-//
-// Credit: HTML5 Boilerplate
-
-.hidden {
-  display: none !important;
-  visibility: hidden !important;
-}
-
-
-// For Affix plugin
-// -------------------------
-
-.affix {
-  position: fixed;
-}