Revert "Fixed hover over edit-popover header color using mouseenter/mouseout events."

This reverts commit c8841f2.

Author: g1eb

src/datetime-input.css

@@ -43,9 +43,6 @@
   -webkit-transform: rotate(-45deg);
   transition: background-color 0.25s ease-out;
 }
-.datetime-input.datetime.active.hover::before {
-  background-color: #ddd;
-}
 
 
 /**

src/datetime-input.html

@@ -1,4 +1,4 @@
-<div class="datetime-input datetime" ng-class="{'active': !!selected, 'hover': !!hover}">
+<div class="datetime-input datetime" ng-class="{'active': !!selected}">
   <div class="display"
     ng-click="toggleEditPopover()"
     ng-class="{'active': !!selected }">
@@ -9,8 +9,6 @@
   <div class="edit-popover" ng-show="!!selected">
     <div class="header"
       ng-click="calendar_active = !calendar_active"
-      ng-mouseenter="hover = true"
-      ng-mouseout="hover = false"
       ng-bind="selected.format('DD MMMM YYYY')"></div>
     <div class="calendar" ng-show="!!calendar_active">
       <div class="calendar-header">