remove dead code

setup

@@ -82,8 +82,6 @@ main() {
     info "prestobuntu setup complete!"
 }
 
-mute() { "$@" &>/dev/null; }
-
 check_not_root() {
     if (( UID == 0 )); then
         die "must not run as root (tip: don't use sudo)"
@@ -523,28 +521,13 @@ install_tailscale() {
     wget -qO- https://tailscale.com/install.sh | sudo sh
 }
 
-disable_if_installed() {
-    for unit in "$@"; do
-        if systemctl list-unit-files "$@" &>/dev/null; then
-            sudo systemctl disable "$unit"
-        fi
-    done
-}
-
 disable_suspend_on_lid_closed() {
     _require_line "HandleLidSwitch=ignore" /etc/systemd/logind.conf
     _require_line "HandleLidSwitchExternalPower=ignore" /etc/systemd/logind.conf
     # TODO: below command causes session to end and user logout
     # systemctl restart systemd-logind
 }
 
-auto_start_terminal() {
-    local autostart="$HOME/.config/autostart"
-    local file="startup-terminal.desktop"
-    mkdir -p "$autostart"
-    get_prestobuntu_file "$file" "$autostart/$file"
-}
-
 create_gruvbox_terminal_profile() {
     get_prestobuntu_file "create-gruvbox" /tmp/create-gruvbox
     bash /tmp/create-gruvbox