refactor: remove Pacstall package manager installation from setup script

mastersetup.bash

@@ -78,13 +78,6 @@ echo "eval \"\$(/opt/homebrew/bin/brew shellenv)\"" | sudo -u "$SUDO_USER" tee -
 # Ensure Homebrew is available in the current session
 eval "$(/opt/homebrew/bin/brew shellenv)"
 
-# Pacstall
-echo "Installing Pacstall..."
-if ! curl -fsSL https://pacstall.dev/q/install | sudo bash; then
-    echo "Pacstall install failed" >&2
-    exit 1
-fi
-
 # makedeb
 echo "Installing makedeb..."
 export MAKEDEB_RELEASE="makedeb"