eve7: delete unused files and old JS folder

etc/eve7/Component-preload.js

-sap.ui.define(['sap/ui/core/UIComponent'],
-   function(UIComponent) {
-   "use strict";
-
-   var Component = UIComponent.extend("eve.Component", {
-
-      metadata : {
-         rootView : "eve.Main",
-         dependencies : {
-            libs : [
-               "sap.ui.commons",
-               "sap.ui.layout"
-            ]
-         },
-         config : {
-            sample : {
-               files : [
-                  "Main.view.xml",
-                  "Main.controller.js",
-                  "GL.view.xml",
-                  "GL.controller.js",
-                  "Summary.view.xml",
-                  "Summary.controller.js"
-               ]
-            }
-         }
-      },
-
-      onAfterRendering : function() {
-      }
-   });
-
-   return Component;
-
-});