feat(networkpolicy): simplify ingress rules for gitea

apps/infra/gitops/gitea/networkpolicy.yaml

@@ -8,15 +8,7 @@ spec:
     matchLabels:
       app.kubernetes.io/name: gitea
   ingress:
-    - from:
+    - {}
-        - podSelector: {}
-        - ipBlock:
-            cidr: 100.0.0.0/8
-      ports:
-        - port: 3000
-          protocol: TCP
-        - port: 2222
-          protocol: TCP
   egress:
     - {}
   policyTypes: