remove pickHue block (currently not working)

stitchcode/objects.js

@@ -1986,7 +1986,8 @@ SpriteMorph.prototype.blockTemplates = function (category) {
         blocks.push(block('getColorHSV'));
         blocks.push(block('getColorHex'));
         blocks.push('-');
-        blocks.push(block('pickHue'));
+        // disable (does not work after upgrade to Snap 7)
+        // blocks.push(block('pickHue'));
         blocks.push(block('setHSB'));
         blocks.push(block('changeHSB'));
 		    blocks.push(block('getHSB'));