PixelEngine: Remove unused AllowIdleSkipping and all references to it

Source/Core/Core/PowerPC/Interpreter/Interpreter_LoadStore.cpp

@@ -220,22 +220,6 @@ void Interpreter::lwz(UGeckoInstruction _inst)
 	{
 		m_GPR[_inst.RD] = temp;
 	}
-
-	// hack to detect SelectThread loop
-	// should probably run a pass through memory instead before execution
-	// but that would be dangerous
-
-	// Enable idle skipping?
-	/*
-	if ((_inst.hex & 0xFFFF0000)==0x800D0000 &&
-		Memory::ReadUnchecked_U32(PC+4)==0x28000000 &&
-		Memory::ReadUnchecked_U32(PC+8)==0x4182fff8)
-	{
-		if (CommandProcessor::AllowIdleSkipping() && PixelEngine::AllowIdleSkipping())
-		{
-			CoreTiming::Idle();
-		}
-	}*/
 }
 
 void Interpreter::lwzu(UGeckoInstruction _inst)

Source/Core/Core/PowerPC/Jit64/Jit_LoadStore.cpp

@@ -94,7 +94,6 @@ void Jit64::lXXx(UGeckoInstruction inst)
 	// (mb2): I agree,
 	// IMHO those Idles should always be skipped and replaced by a more controllable "native" Idle methode
 	// ... maybe the throttle one already do that :p
-	// if (CommandProcessor::AllowIdleSkipping() && PixelEngine::AllowIdleSkipping())
 	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bSkipIdle &&
 	    inst.OPCD == 32 &&
 	    (inst.hex & 0xFFFF0000) == 0x800D0000 &&

Source/Core/VideoCommon/CommandProcessor.h

@@ -141,8 +141,6 @@ void GatherPipeBursted();
 void UpdateInterrupts(u64 userdata);
 void UpdateInterruptsFromVideoBackend(u64 userdata);
 
-bool AllowIdleSkipping();
-
 void SetCpClearRegister();
 void SetCpControlRegister();
 void SetCpStatusRegister();