Host: Remove unnecessary functions

Remove Host_RefreshDSPDebuggerWindow (which hasn't done anything since
DolphinWX was removed in 44b22c90) and DSP::Host::UpdateDebugger (which
only called Host_RefreshDSPDebuggerWindow).

Source/Core/Core/HW/DSPLLE/DSPHost.cpp

@@ -96,14 +96,7 @@ void CodeLoaded(DSPCore& dsp, const u8* ptr, size_t size)
   Symbols::AutoDisassembly(state, 0x0, 0x1000);
   Symbols::AutoDisassembly(state, 0x8000, 0x9000);
 
-  UpdateDebugger();
-
   dsp.ClearIRAM();
   state.GetAnalyzer().Analyze(state);
 }
-
-void UpdateDebugger()
-{
-  Host_RefreshDSPDebuggerWindow();
-}
 }  // namespace DSP::Host

Source/Core/Core/HW/DSPLLE/DSPLLE.cpp

@@ -161,7 +161,6 @@ bool DSPLLE::Initialize(bool wii, bool dsp_thread)
     m_dsp_thread = std::thread(DSPThread, this);
   }
 
-  Host_RefreshDSPDebuggerWindow();
   return true;
 }