Remove liquidsoap user from sudoers

src/freedombone-app-icecast

@@ -586,6 +586,10 @@ function remove_icecast {
 
     $REMOVE_PACKAGES_PURGE icecast2
 
+    chmod 755 /etc/sudoers
+    sed '/liquidsoapuser/d' /etc/sudoers
+    chmod 0440 /etc/sudoers
+
     userdel -r liquidsoapuser
     if [ -d /etc/liquidsoapuser ]; then
         rm -rf /etc/liquidsoapuser