[proj] cleanup old codes & update readme for new netmuxd

Author: NyaMisty

README.md

@@ -17,7 +17,7 @@ Usage:  AltServer-Linux options [ ipa-file ]
 The following environment var can be set for some special situation:
   - ALTSERVER_ANISETTE_SERVER: Set to custom anisette server URL
           if not set, the default one: https://armconverter.com/anisette/irGb3Quww8zrhgqnzmrx, is used
-  - ALTSERVER_NO_SUBSCRIBE: Please enable this for netmuxd / usbmuxd2, because they do not correctly usbmuxd_listen interfaces
+  - ALTSERVER_NO_SUBSCRIBE: (*unused*) Please enable this for usbmuxd server that do not correctly usbmuxd_listen interfaces
 ```
 
 ## Download
@@ -30,7 +30,9 @@ The following environment var can be set for some special situation:
 - [x] Support Offline Anisette Data Generation (i.e. without Sideloadly)
   - Finsihed, please run [alt_anisette_server](https://hub.docker.com/r/nyamisty/alt_anisette_server) & use `ALTSERVER_ANISETTE_SERVER` to specify custom server URL
 - [x] Support Wi-Fi Refresh
-  - [netmuxd](https://github.com/jkcoxson/netmuxd) now supports network devices, but needs a special env var `ALTSERVER_NO_SUBSCRIBE` to allow it work correctly. Enabling this would disable **auto-refresh when plugged-in** of USB devices
+  - [netmuxd](https://github.com/jkcoxson/netmuxd) now supports network devices (needs version > v0.1.1, be sure to check pre-release)
+    - Download `netmuxd`, stop the original `usbmuxd`, and run `netmuxd` before running `AltServer-Linux`
+    - ~If netmuxd does not work, please try using special env var `ALTSERVER_NO_SUBSCRIBE`. Enabling this would disable **auto-refresh when plugged-in** of USB devices~
 
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