repo: remove unnecessary variable shadow

Avoid redeclaring `entry` inside the conditional block, removing
unnecessary variable shadowing and improving code clarity without
changing behavior.

Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com>
Acked-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: jayatheerthkulkarni

builtin/repo.c

@@ -276,7 +276,6 @@ static void stats_table_print_structure(const struct stats_table *table)
 		const char *value = "";
 
 		if (entry) {
-			struct stats_table_entry *entry = item->util;
 			value = entry->value;
 		}