Remove touchscreen compatible hover (for perfs)

front/src/css/rule.css

@@ -126,13 +126,13 @@
   white-space: nowrap;
   padding: 0.5em;
 }
-.offenders .offenderButton.opens.mouseOver {
+.offenders .offenderButton.opens:hover {
   border-bottom-left-radius: 0;
   border-bottom-right-radius: 0;
   background: #ffe0cc;
   z-index: 2;
 }
-.offenders .offenderButton.opens.mouseOver > div {
+.offenders .offenderButton.opens:hover > div {
   display: block;
 }
 .offendersHtml {

front/src/less/rule.less

@@ -141,7 +141,7 @@
             padding: 0.5em;
         }
 
-        &.opens.mouseOver {
+        &.opens:hover {
             border-bottom-left-radius: 0;
             border-bottom-right-radius: 0;
             background: #ffe0cc;