Remove secondary pi pihole instance

homelab/server/config/traefik/config/pihole.yaml

@@ -1,31 +1,16 @@
 http:
   routers:
-    pihole:
-      rule: "Host(`pihole1.jafner.net`)" 
+    pi-pihole:
+      rule: "Host(`pi.pihole.jafner.net`)" 
       entryPoints: "websecure"
       middlewares: 
         - "lan-only@file"
-        - "pihole@file"
-      service: "pihole1@file"
-      tls:
-        certResolver: "lets-encrypt"
-    pihole2:
-      rule: "Host(`pihole2.jafner.net`)" 
-      entryPoints: "websecure"
-      middlewares: 
-        - "lan-only@file"
-        - "pihole@file"
-      service: "pihole2@file"
+      service: "pi-pihole@file"
       tls:
         certResolver: "lets-encrypt"
 
   services:
-    pihole1:
+    pi-pihole:
       loadBalancer:
         servers:
           - url: "http://192.168.1.21/"
-    
-    pihole2:
-      loadBalancer:
-        servers:
-          - url: "http://192.168.1.22/"