deprecate some methods

src/Node.ts

@@ -108,9 +108,6 @@ var ABSOLUTE_OPACITY = 'absoluteOpacity',
   ].join(SPACE),
   SCALE_CHANGE_STR = ['scaleXChange.konva', 'scaleYChange.konva'].join(SPACE);
 
-// TODO: can we remove children from node?
-const emptyChildren = [];
-
 let idCounter = 1;
 
 // create all the events here

src/Shape.ts

@@ -197,24 +197,12 @@ export class Shape<
     shapes[key] = this;
   }
 
-  /**
-   * get canvas context tied to the layer
-   * @method
-   * @name Konva.Shape#getContext
-   * @returns {Konva.Context}
-   */
-  // TODO: remove method
   getContext() {
+    Util.warn('shape.getContext() method is deprecated. Please don not use it.');
     return this.getLayer().getContext();
   }
-  /**
-   * get canvas renderer tied to the layer.  Note that this returns a canvas renderer, not a canvas element
-   * @method
-   * @name Konva.Shape#getCanvas
-   * @returns {Konva.Canvas}
-   */
-  // TODO: remove method
   getCanvas() {
+    Util.warn('shape.getCanvas() method is deprecated. Please don not use it.');
     return this.getLayer().getCanvas();
   }
 

src/Stage.ts

@@ -25,7 +25,7 @@ var STAGE = 'Stage',
   MOUSEMOVE = 'mousemove',
   MOUSEDOWN = 'mousedown',
   MOUSEUP = 'mouseup',
-  // TODO: add them into "on" method docs and into site docs
+
   POINTERMOVE = 'pointermove',
   POINTERDOWN = 'pointerdown',
   POINTERUP = 'pointerup',