Removed the import dependency for twitter bootstrap. fixes #71

Author: Jeroen Thora

less/bootstrap-markdown.less

@@ -5,9 +5,6 @@
  * @copyright 2013 Taufan Aditya
  */
 
-@import "variables.less"; // Point this into your bootstrap variables
-@import "mixins.less"; // Point this into your bootstrap variables
-
 .md-editor {
   display: block;
   border: 1px solid @table-border-color;