patch 8.1.0884: double check for bsd systems

Problem:    Double check for bsd systems.
Solution:   Delete the old line.
diff --git a/src/version.c b/src/version.c
index bf1e466..b08bd82 100644
--- a/src/version.c
+++ b/src/version.c
@@ -784,6 +784,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    884,
+/**/
     883,
 /**/
     882,