Revert "XWIKI-14162: Position Save buttons on a fixed-bottom area"

This reverts commit 38b4e794.

xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/edit.less

@@ -6,18 +6,6 @@
   .bottombuttons {
     .buttons {
       margin: 10px 0;
-      
-      &.buttons-fixed {
-        z-index: 1030;
-        position: fixed;
-        bottom: 0;
-        left: 0;
-        right: 0;
-        margin: 0;
-        padding: 1em;
-        background-color: white;
-        box-shadow: 0 0 1em rgba(0, 0, 0, 0.3);
-      }
     }
   }
 

xwiki-platform-core/xwiki-platform-web/src/main/webapp/resources/js/xwiki/actionbuttons/actionButtons.js

@@ -370,20 +370,3 @@ function init() {
 // End XWiki augmentation.
 return XWiki;
 }(XWiki || {}));
-
-// Make sure the action buttons are visible at the bottom of the window.
-require(['jquery'], function ($) {
-  var $container = $('.bottombuttons');
-  var $buttons = $container.find('.buttons');
-  var $window = $(window);
-
-  $window.on("scroll resize load click", function() {
-    var position = $container.offset().top + $buttons.height() - $window.scrollTop();
-
-    if (position > $window.height()) {
-      $buttons.addClass('buttons-fixed');
-    } else {
-      $buttons.removeClass('buttons-fixed');
-    }
-  });
-});