How to remove the suspend and lock button from menu in ubuntu 17.04?
Solution 1:
Found solution from Explanation of file - org.freedesktop.login1.policy - Unix & Linux
Open file explorer with sudo
privileges.
sudo -H nautilus
Browse to /usr/share/polkit-1/actions/org.freedesktop.login1.policy
. Make a copy of the file for restore purposes and search for each of the following.
org.freedesktop.login1.suspend
org.freedesktop.login1.suspend-multiple-sessions org.freedesktop.login1.suspend-ignore-inhibit org.freedesktop.login1.hibernate
org.freedesktop.login1.hibernate-multiple-sessions
org.freedesktop.login1.hibernate-ignore-inhibit
For each of the above action id scroll down past the translations to change the following from yes to no
<defaults>
<allow_any>no</allow_any>
<allow_inactive>no</allow_inactive>
<allow_active>no</allow_active>
</defaults>
Save and reboot.