remove comment

Author: yihuiliao

packages/@react-spectrum/s2/src/ComboBox.tsx

@@ -170,7 +170,7 @@ export let listboxItem = style({
     value: centerPadding()
   },
   paddingBottom: '--labelPadding',
-  backgroundColor: { // TODO: revisit color when I have access to dev mode again
+  backgroundColor: {
     default: 'transparent',
     isFocused: baseColor('gray-100').isFocusVisible
   },