Remove old todo from _colorMatch

Author: adroitwhiz

src/helper/style-path.js

@@ -13,7 +13,6 @@ const MIXED = 'scratch-paint/style-path/mixed';
 // Check if the item color matches the incoming color. If the item color is a gradient, we assume
 // that the incoming color never matches, since we don't support gradients yet.
 const _colorMatch = function (itemColor, incomingColor) {
-    // @todo colorMatch should not be called with gradients as arguments once stroke gradients are supported
     if (itemColor && itemColor.type === 'gradient') return false;
     // Either both are null or both are the same color when converted to CSS.
     return (!itemColor && !incomingColor) ||