patch 8.1.0884: double check for bsd systems

Problem:    Double check for bsd systems.
Solution:   Delete the old line.
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index e75a896..69e6ce0 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -1237,7 +1237,6 @@
   if has('unix') && executable('uname')
     let uname = system('uname')
     call assert_equal(uname =~? 'BeOS', has('beos'))
-    call assert_equal(uname =~? 'BSD\|DragonFly', has('bsd'))
     " GNU userland on BSD kernels (e.g., GNU/kFreeBSD) don't have BSD defined
     call assert_equal(uname =~? '\%(GNU/k\w\+\)\@<!BSD\|DragonFly', has('bsd'))
     call assert_equal(uname =~? 'HP-UX', has('hpux'))
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,