ed@clevolinux:~$ ed@clevolinux:~$ find /boot/grub -type d
/boot/grub
/boot/grub/locale
/boot/grub/fonts
/boot/grub/i386-pc
ed@clevolinux:~$ sudo rm /boot/grub/*.{mod,lst,sh}
[sudo] password for ed: 
rm: cannot remove ‘/boot/grub/*.mod’: No such file or directory
rm: cannot remove ‘/boot/grub/*.lst’: No such file or directory
rm: cannot remove ‘/boot/grub/*.sh’: No such file or directory
ed@clevolinux:~$ ls -altr /boot/grub/
total 2440
-rw-r--r-- 1 root root 2405285 Jul  3 19:43 unicode.pf2
-rw-r--r-- 1 root root     699 Oct  2 19:13 gfxblacklist.txt
drwxr-xr-x 3 root root   12288 Oct  2 19:13 ..
-rw-r--r-- 1 root root    1024 Oct  2 20:04 grubenv
-r--r--r-- 1 root root   35610 Oct  2 20:16 grub.cfg
drwxr-xr-x 2 root root    4096 Oct  2 20:36 locale
drwxr-xr-x 2 root root    4096 Oct  2 20:36 fonts
drwxr-xr-x 5 root root   12288 Oct  2 20:36 .
drwxr-xr-x 2 root root   12288 Oct  2 20:36 i386-pc
ed@clevolinux:~$