The last (only?) caller of guestfs_int_cmd_clear_close_files() disappeared
in commit e4c3968880 ("lib/info: Remove /dev/fd hacking and pass a true
filename to qemu-img info.", 2018-01-23), part of v1.37.36.
Simplify the code by removing guestfs_int_cmd_clear_close_files().
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20230711113906.107340-1-lersek@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
(cherry picked from commit 13c7052ff9)