Update install script

Signed-off-by: Severin Kaderli <severin@kaderli.dev>

.install/arch.sh

@@ -16,18 +16,6 @@ if output::prompt "Do you want to install Arch packages?"; then
     output::log "Updating package database"
     paru -Syy |& output::debug
     output::success "Package database successfully updated"
-
-    package_count=$(< "${INSTALL_DIR}/packages/packages.native.list" wc -l)
-    output::log "Installing ${package_count} packages"
-    paru -S \
-        --asexplicit \
-        --noconfirm \
-        --sudoloop \
-        --needed \
-        --devel \
-        --nopgpfetch \
-        --mflags \
-        --skippgpcheck \
-        - < "${INSTALL_DIR}/packages/packages.native.list" |& output::debug
+    paru -Ui
     output::success "Packages successfully installed"
 fi