Update raspberry pi image name convention

build-rpi.sh

@@ -2,17 +2,8 @@
 set -euo pipefail
 
 CONFIG="radiantwavekiosk-rpi"
-VARIANT=""
-
-for arg in "$@"; do
-    case "$arg" in
-        --dev) CONFIG="radiantwavekiosk-rpi-dev"; VARIANT="-dev" ;;
-        *) echo "Unknown arg: $arg"; exit 1 ;;
-    esac
-done
-
 TIMESTAMP=$(date +"%Y-%m-%d_%H-%M-%S")
-FILENAME="radiantwave-kiosk-rpi${VARIANT}_${TIMESTAMP}.img.zst"
+FILENAME="radiantwave-raspberrypi-${TIMESTAMP}.img.zst"
 REPO="$(pwd)"
 NIX_STORE="kiosk-nix-store"