Remove legacy Forgejo route

infrastructure/gateway/envoy/routes/forgejo.yaml

@@ -37,21 +37,6 @@ spec:
         - name: forgejo
           port: 3000
 
-    # Temporary compatibility path for Argo CD and existing Git remotes.
-    - matches:
-        - path:
-            type: PathPrefix
-            value: /internal/dev/git/
-      filters:
-        - type: URLRewrite
-          urlRewrite:
-            path:
-              type: ReplacePrefixMatch
-              replacePrefixMatch: /
-      backendRefs:
-        - name: forgejo
-          port: 3000
-
     - matches:
         - path:
             type: PathPrefix