Remove non-existent callbacks and handlers

gui/android.py

@@ -909,9 +909,6 @@ class ElectrumGui:
         network = _network
         config = _config
         network.register_callback('updated', update_callback)
-        network.register_callback('connected', update_callback)
-        network.register_callback('disconnected', update_callback)
-        network.register_callback('disconnecting', update_callback)
 
         contacts = util.StoreDict(config, 'contacts')
 

gui/stdio.py

@@ -35,9 +35,7 @@ class ElectrumGui:
         self.contacts = StoreDict(self.config, 'contacts')
 
         self.wallet.network.register_callback('updated', self.updated)
-        self.wallet.network.register_callback('connected', self.connected)
-        self.wallet.network.register_callback('disconnected', self.disconnected)
-        self.wallet.network.register_callback('disconnecting', self.disconnecting)
+
         self.wallet.network.register_callback('peers', self.peers)
         self.wallet.network.register_callback('banner', self.print_banner)
         self.commands = [_("[h] - displays this help text"), \
@@ -73,15 +71,6 @@ class ElectrumGui:
         for s in l:
             print (s)
 
-    def connected(self):
-        print ("connected")
-
-    def disconnected(self):
-        print ("disconnected")
-
-    def disconnecting(self):
-        print ("disconnecting")
-
     def updated(self):
         s = self.get_balance()
         if s != self.last_balance:

gui/text.py

@@ -54,9 +54,6 @@ class ElectrumGui:
 
         if self.network:
             self.network.register_callback('updated', self.update)
-            self.network.register_callback('connected', self.refresh)
-            self.network.register_callback('disconnected', self.refresh)
-            self.network.register_callback('disconnecting', self.refresh)
 
         self.tab_names = [_("History"), _("Send"), _("Receive"), _("Addresses"), _("Contacts"), _("Banner")]
         self.num_tabs = len(self.tab_names)