当我尝试自动删除时，出现以下错误：
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
linux-image-extra-4.4.0-51-generic
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 161 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 334755 files and directories currently installed.)
Removing linux-image-extra-4.4.0-51-generic (4.4.0-51.72) ...
depmod: FATAL: could not load /boot/System.map-4.4.0-51-generic: No such file or directory
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-51-generic
WARNING: missing /lib/modules/4.4.0-51-generic
Ensure all necessary drivers are built into the linux image!
depmod: ERROR: could not open directory /lib/modules/4.4.0-51-generic: No such file or directory
depmod: FATAL: could not search modules: No such file or directory
depmod: WARNING: could not open /var/tmp/mkinitramfs_wocXOB/lib/modules/4.4.0-51-generic/modules.order: No such file or directory
depmod: WARNING: could not open /var/tmp/mkinitramfs_wocXOB/lib/modules/4.4.0-51-generic/modules.builtin: No such file or directory
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
run-parts: executing /etc/kernel/postinst.d/zz-runlilo 4.4.0-51-generic /boot/vmlinuz-4.4.0-51-generic
Fatal: open /dev/disk/by-id/: Is a directory
run-parts: /etc/kernel/postinst.d/zz-runlilo exited with return code 1
dpkg: error processing package linux-image-extra-4.4.0-51-generic (--remove):
subprocess installed post-removal script returned error exit status 1
Errors were encountered while processing:
linux-image-extra-4.4.0-51-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)
您能帮我删除系统中内核 4.4.0 的踪迹吗？（我最近更新到了 8）提前谢谢您！