patch 8.1.1316: duplicated localtime() call

Problem:    Duplicated localtime() call.
Solution:   Delete one.
diff --git a/src/version.c b/src/version.c
index 0e40f61..d31e611 100644
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1316,
+/**/
     1315,
 /**/
     1314,