make plugins available without the GUI

plugins/audio_modem.py

@@ -35,13 +35,6 @@ class Plugin(BasePlugin):
                 'Linux': 'libportaudio.so'
             }[platform.system()]
 
-    def fullname(self):
-        return 'Audio MODEM'
-
-    def description(self):
-        return ('Provides support for air-gapped transaction signing.\n\n'
-                'Requires http://github.com/romanz/amodem/')
-
     def is_available(self):
         return amodem is not None