Core: Kill off Host_UpdateLogDisplay()

This was actually never used as far as I can tell. There was no wx event handling done whatsoever for the global ID, So this is basically a dead function.

Source/Core/DolphinWX/Debugger/CodeWindow.cpp

@@ -285,7 +285,6 @@ void CCodeWindow::SingleStep()
 		// need a short wait here
 		JumpToAddress(PC);
 		Update();
-		Host_UpdateLogDisplay();
 	}
 }
 

Source/Core/DolphinWX/Globals.h

@@ -245,7 +245,6 @@ enum
 	IDM_COMPRESSGCM,
 	IDM_MULTICOMPRESSGCM,
 	IDM_MULTIDECOMPRESSGCM,
-	IDM_UPDATELOGDISPLAY,
 	IDM_UPDATEDISASMDIALOG,
 	IDM_UPDATEGUI,
 	IDM_UPDATESTATUSBAR,

Source/Core/DolphinWX/Main.cpp

@@ -542,19 +542,6 @@ void Host_NotifyMapLoaded()
 	}
 }
 
-
-void Host_UpdateLogDisplay()
-{
-	wxCommandEvent event(wxEVT_HOST_COMMAND, IDM_UPDATELOGDISPLAY);
-	main_frame->GetEventHandler()->AddPendingEvent(event);
-
-	if (main_frame->g_pCodeWindow)
-	{
-		main_frame->g_pCodeWindow->GetEventHandler()->AddPendingEvent(event);
-	}
-}
-
-
 void Host_UpdateDisasmDialog()
 {
 	wxCommandEvent event(wxEVT_HOST_COMMAND, IDM_UPDATEDISASMDIALOG);
@@ -566,7 +553,6 @@ void Host_UpdateDisasmDialog()
 	}
 }
 
-
 void Host_ShowJitResults(unsigned int address)
 {
 	if (main_frame->g_pCodeWindow && main_frame->g_pCodeWindow->m_JitWindow)

Source/Core/DolphinWX/MainAndroid.cpp

@@ -72,8 +72,6 @@ void Host_UpdateTitle(const std::string& title)
 	__android_log_write(ANDROID_LOG_INFO, DOLPHIN_TAG, title.c_str());
 }
 
-void Host_UpdateLogDisplay(){}
-
 void Host_UpdateDisasmDialog(){}
 
 void Host_UpdateMainFrame()

Source/Core/DolphinWX/MainNoGUI.cpp

@@ -67,8 +67,6 @@ void* Host_GetRenderHandle()
 
 void Host_UpdateTitle(const std::string& title){};
 
-void Host_UpdateLogDisplay(){}
-
 void Host_UpdateDisasmDialog(){}
 
 void Host_UpdateMainFrame()