Fix kiosk startup: radiantwave binary, drop stale rsync, fix GODEBUG typo

rotated_display.nix

@@ -12,7 +12,7 @@ in
 
   environment.loginShellInit = pkgs.lib.mkForce ''
     if [ "$(tty)" = "/dev/tty1" ]; then
-      export CODEBUG=netdns=cgo
+      export GODEBUG=netdns=cgo
       export SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
       for i in {1..10}; do
         if ${pkgs.iputils}/bin/ping -c 1 8.8.8.8 &> /dev/null; then
@@ -27,7 +27,6 @@ in
       export WLR_RENDERER=pixman
       export WLR_NO_HARDWARE_CURSORS=1
 
-      mkdir -p /home/kiosk/.local/share/radiantwave
       exec dbus-run-session cage -- ${kioskscript} > /tmp/kiosk.log 2>&1
     fi
   '';