fix(caddy): remove dead pf2e/ffttsystems site blocks

Both root paths (/srv/aon, /srv/ffttsystems) no longer exist on disk
-- confirmed during the recent disk cleanup audit -- so these blocks
were serving errors to any visitor. Content was already gone; only
the stale Caddyfile entries remained.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Caddyfile

@@ -80,11 +80,6 @@ foundry2.ginnoir.com {
 	reverse_proxy 5etools:80
 }
 
-pf2e.ginnoir.com {
-	root * /srv/aon
-	file_server
-}
-
 # =============================================================
 # FILE STORAGE — internal only (Nextcloud)
 # =============================================================
@@ -101,11 +96,6 @@ files.ginnoir.com {
 # =============================================================
 # STATIC SITES — public
 # =============================================================
-ffttsystems.ginnoir.com {
-	root * /srv/ffttsystems
-	file_server
-}
-
 wa4.ginnoir.com {
 	root * /srv/wa4
 	file_server