fix(nfs): switch to unfs3 user-space NFS (kernel nfsd unavailable on HA OS)

nfs/config.json

@@ -1,6 +1,6 @@
 {
   "name": "NFS Server",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "slug": "nfs_server",
   "description": "Expose Home Assistant media folder via NFS.",
   "arch": [
@@ -12,14 +12,9 @@
   "boot": "auto",
   "init": false,
   "host_network": true,
-  "privileged": [
-    "SYS_ADMIN",
-    "SYS_MODULE"
-  ],
   "apparmor": false,
   "hassio_api": true,
   "hassio_role": "default",
-  "kernel_modules": true,
   "map": [
     "media:rw",
     "share:rw",