remove useless display:inline-block

dist/css/bootstrap.css

@@ -3295,7 +3295,6 @@ button.close {
 }
 
 .breadcrumb > li + li:before {
-  display: inline-block;
   padding: 0 5px;
   color: #cccccc;
   content: "/\00a0";

less/breadcrumbs.less

@@ -12,7 +12,6 @@
   > li {
     display: inline-block;
     &+li:before {
-      display: inline-block;
       content: "/\00a0"; // Unicode space added since inline-block means non-collapsing white-space
       padding: 0 5px;
       color: @breadcrumb-color;