patch 9.1.1444: Unused assignment in set_fuzzy_score()

Problem:  Unused assignment in set_fuzzy_score() (after 9.1.1441).
Solution: Remove it (zeertzjq).

closes: #17472

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/insexpand.c b/src/insexpand.c
index ff8e87e..889ea36 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -1415,11 +1415,10 @@
     static void
 set_fuzzy_score(void)
 {
-    compl_T     *compl = compl_first_match->cp_prev;
-
     if (compl_leader.string != NULL && compl_leader.length > 0)
     {
-	compl = compl_first_match;
+	compl_T *compl = compl_first_match;
+
 	do
 	{
 	    compl->cp_score = fuzzy_match_str(compl->cp_str.string,