patch 8.1.0443: unnecessary static function prototypes

Problem:    Unnecessary static function prototypes.
Solution:   Remove unnecessary prototypes.
diff --git a/src/version.c b/src/version.c
index f3a72ec..8f75fef 100644
--- a/src/version.c
+++ b/src/version.c
@@ -79,8 +79,6 @@
 }
 #endif
 
-static void list_features(void);
-
 static char *(features[]) =
 {
 #ifdef HAVE_ACL
@@ -795,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    443,
+/**/
     442,
 /**/
     441,