remove auto-confirm on distro dependencies

because if it says yes to everything, and the package
manager would otherwise ask whether you want to give
it your first born son, you are therefore agreeing to it.

so remove -y for safety

Signed-off-by: Leah Rowe <leah@libreboot.org>

config/dependencies/arch

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-pkg_add="pacman -S --needed --noconfirm"
+pkg_add="pacman -S --needed"
 pkglist=" \
 acpica arm-none-eabi-binutils arm-none-eabi-gcc arm-none-eabi-newlib \
 autogen base-devel bison cmake curl device-mapper doxygen \