patch 8.0.1134: superfluous call to syn_get_final_id()

Problem:    Superfluous call to syn_get_final_id().
Solution:   Remove it. (Ken Takata)
diff --git a/src/syntax.c b/src/syntax.c
index d9a7b4f..e0736cb 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -9556,7 +9556,7 @@
     int id = syn_name2id(name);
 
     if (id != 0)
-	return syn_id2attr(syn_get_final_id(id));
+	return syn_id2attr(id);
     return 0;
 }