Update named_groups.html

Akash Articles/RegEx/named_groups.html

@@ -63,9 +63,6 @@
 // Pattern string
 var pattern = /(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})/g;
 
-//                ^       ^       ^
-//group-no:   1       2       3
-
 // Data replacement using $<group_name>
 var ans=str.replace(pattern, '$<day>-$<month>-$<year>');