Revert accidental changes

src/LGraphCanvas.ts

@@ -1119,6 +1119,8 @@ export class LGraphCanvas {
         this.connecting_links = null;
         this.highlighted_links = {};
 
+        this.dragging_canvas = false;
+
         this.dirty_canvas = true;
         this.dirty_bgcanvas = true;
         this.dirty_area = null;

src/LiteGraphGlobal.ts

@@ -164,9 +164,6 @@ export class LiteGraphGlobal {
 
     // Whether to highlight the bounding box of selected groups
     highlight_selected_group = false
-    LGraphGroup: any;
-    ContextMenu: any;
-    availableCanvasOptions: any;
 
     constructor() {
         //timer that works everywhere