Remove duplicate network allowlists from FTP setup

manifest.json

@@ -1,5 +1,5 @@
 {
-  "schemaVersion": 1,
+  "schemaVersion": 2,
   "id": "memona/ftp",
   "name": "FTP",
   "version": "0.1.3",
@@ -7,7 +7,6 @@
   "description": "Open an FTP server as a folder, and let agents work in it.",
   "license": "MIT",
   "entry": "plugin.wasm",
-  "networkHosts": ["*"],
   "networkPorts": [
     { "from": 21, "to": 21 },
     { "from": 1024, "to": 65535 }