No longer need gum or tte as preflights

No more identification up front, no toast during initial install

install/development/terminal.sh

@@ -6,4 +6,5 @@ yay -S --noconfirm --needed \
   wl-clipboard btop \
   man tldr less whois plocate \
   starship bash-completion \
+  gum python-poetry-core python-terminaltexteffects \
   alacritty

install/preflight/gum.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-sudo pacman -S --noconfirm --needed gum

install/preflight/tte.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-yay -S --noconfirm --needed python-poetry-core python-terminaltexteffects