Remove Wii Remote connection status from status bar

Showing the Wii remote connection status leads to inconsistent UX,
because we don't do anything like that for GameCube controllers
or with Bluetooth passthrough.

It's also questionable how useful it is given that:

* it doesn't print the number of connected remotes, just that one
  remote is connected, connecting or not connected, so the only info
  it provides is actually wrong when using multiple remotes;

* this user-facing feature is actually broken in master and no one has
  complained AFAIK, which means people don't really rely on it;

* the status bar isn't visible most of the time unless the user is
  using render to main or deliberately keeping the main window's
  status bar visible by moving the render window and they're not too
  far away from their screen;

* emulated Wii remotes now reconnect on input, which means that there
  is less of a need to actually know at all times whether a remote
  is connected, since pressing any button will reconnect it and provide
  immediate, visible feedback via OSD messages and the Wii remote
  pointer appearing.

Source/Android/jni/MainAndroid.cpp

@@ -144,10 +144,6 @@ void Host_ConnectWiimote(int wm_idx, bool connect)
 {
 }
 
-void Host_SetWiiMoteConnectionState(int _State)
-{
-}
-
 void Host_ShowVideoConfig(void*, const std::string&)
 {
 }

Source/Core/Core/Host.h

@@ -31,7 +31,6 @@ void Host_Message(int Id);
 void Host_NotifyMapLoaded();
 void Host_RefreshDSPDebuggerWindow();
 void Host_RequestRenderWindowSize(int width, int height);
-void Host_SetWiiMoteConnectionState(int _State);
 void Host_UpdateDisasmDialog();
 void Host_UpdateMainFrame();
 void Host_UpdateTitle(const std::string& title);

Source/Core/Core/IOS/USB/Bluetooth/BTEmu.cpp

@@ -91,13 +91,10 @@ BluetoothEmu::BluetoothEmu(Kernel& ios, const std::string& device_name)
   m_ControllerBD.b[3] = 0x79;
   m_ControllerBD.b[4] = 0x00;
   m_ControllerBD.b[5] = 0xFF;
-
-  Host_SetWiiMoteConnectionState(0);
 }
 
 BluetoothEmu::~BluetoothEmu()
 {
-  Host_SetWiiMoteConnectionState(0);
   m_WiiMotes.clear();
 }
 
@@ -355,10 +352,7 @@ void BluetoothEmu::Update()
     for (auto& wiimote : m_WiiMotes)
     {
       if (wiimote.EventPagingChanged(m_ScanEnable))
-      {
-        Host_SetWiiMoteConnectionState(1);
         SendEventRequestConnection(wiimote);
-      }
     }
   }
 
@@ -1203,7 +1197,6 @@ void BluetoothEmu::CommandDisconnect(const u8* input)
   DEBUG_LOG(IOS_WIIMOTE, "  ConnectionHandle: 0x%04x", disconnect->con_handle);
   DEBUG_LOG(IOS_WIIMOTE, "  Reason: 0x%02x", disconnect->reason);
 
-  Host_SetWiiMoteConnectionState(0);
   DisplayDisconnectMessage((disconnect->con_handle & 0xFF) + 1, disconnect->reason);
 
   SendEventCommandStatus(HCI_CMD_DISCONNECT);

Source/Core/Core/IOS/USB/Bluetooth/WiimoteDevice.cpp

@@ -910,9 +910,6 @@ void WiimoteDevice::ReceiveL2capData(u16 scid, const void* _pData, u32 _Size)
   // Update Offset to the final size of the report
   Offset += _Size;
 
-  // Update the status bar
-  Host_SetWiiMoteConnectionState(2);
-
   // Send the report
   m_pHost->SendACLPacket(GetConnectionHandle(), DataFrame, Offset);
 }

Source/Core/DolphinNoGUI/MainNoGUI.cpp

@@ -147,10 +147,6 @@ void Host_ConnectWiimote(int wm_idx, bool connect)
   });
 }
 
-void Host_SetWiiMoteConnectionState(int _State)
-{
-}
-
 void Host_ShowVideoConfig(void*, const std::string&)
 {
 }

Source/Core/DolphinQt2/Host.cpp

@@ -104,9 +104,6 @@ void Host_NotifyMapLoaded()
 void Host_UpdateDisasmDialog()
 {
 }
-void Host_SetWiiMoteConnectionState(int state)
-{
-}
 void Host_ConnectWiimote(int wm_idx, bool connect)
 {
 }

Source/Core/DolphinWX/Main.cpp

@@ -458,35 +458,6 @@ void Host_RequestRenderWindowSize(int width, int height)
   main_frame->GetEventHandler()->AddPendingEvent(event);
 }
 
-void Host_SetWiiMoteConnectionState(int _State)
-{
-  static int currentState = -1;
-  if (_State == currentState)
-    return;
-  currentState = _State;
-
-  wxCommandEvent event(wxEVT_HOST_COMMAND, IDM_UPDATE_STATUS_BAR);
-
-  switch (_State)
-  {
-  case 0:
-    event.SetString(_("Not connected"));
-    break;
-  case 1:
-    event.SetString(_("Connecting..."));
-    break;
-  case 2:
-    event.SetString(_("Wii Remote Connected"));
-    break;
-  }
-  // The second field is used for auxiliary info such as this
-  event.SetInt(1);
-
-  NOTICE_LOG(WIIMOTE, "%s", static_cast<const char*>(event.GetString().c_str()));
-
-  main_frame->GetEventHandler()->AddPendingEvent(event);
-}
-
 bool Host_UINeedsControllerState()
 {
   return wxGetApp().IsActiveThreadsafe() && GetUINeedsControllerState();

Source/UnitTests/StubHost.cpp

@@ -54,9 +54,6 @@ bool Host_RendererIsFullscreen()
 void Host_ConnectWiimote(int, bool)
 {
 }
-void Host_SetWiiMoteConnectionState(int)
-{
-}
 void Host_ShowVideoConfig(void*, const std::string&)
 {
 }