Revert "vim-patch:8.1.1378: delete() can not handle a file name that looks like a pattern (#12784)"

This reverts commit 4be0e92db0.

Unfortunately, that commit stalled the Windows builds on GHA and likely requires
other patches to work properly.

src/nvim/testdir/test_command_count.vim

@@ -103,8 +103,6 @@ endfunc
 
 func Test_command_count_2()
   silent! %argd
-  cd
-
   arga a b c d
   call assert_fails('5argu', 'E16:')