patch 8.1.2165: mapping test fails on Mac

Problem:    Mapping test fails on Mac.
Solution:   Remove the default Mac mapping.

Author: brammool

src/testdir/test_mapping.vim

@@ -444,6 +444,9 @@ func Test_error_in_map_expr()
 endfunc
 
 func Test_list_mappings()
+  " Remove default Mac mapping
+  silent! iunmap <D-v>
+
   inoremap <C-M> CtrlM
   inoremap <A-S> AltS
   inoremap <S-/> ShiftSlash

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2165,
 /**/
     2164,
 /**/