Comment out pro-only light icons

lib/icon_data.dart

@@ -29,7 +29,8 @@ class IconDataRegular extends IconData {
         );
 }
 
-// Pro only
+// Uncomment to be able to use (pro) light icons if installed
+/*
 class IconDataLight extends IconData {
   const IconDataLight(int codePoint)
       : super(
@@ -38,3 +39,5 @@ class IconDataLight extends IconData {
           fontPackage: 'font_awesome_flutter',
         );
 }
+*/
+