CPU/Recompiler: Disable memory access exceptions by default

This means it'll no longer pass amidog's CPU test in the default config.
But no games rely on this. You can enable it in advanced options if you
want to pass the CPU test.

src/core/cpu_core.h

@@ -89,8 +89,6 @@ bool SafeWriteMemoryWord(VirtualMemoryAddress addr, u32 value);
 // External IRQs
 void SetExternalInterrupt(u8 bit);
 void ClearExternalInterrupt(u8 bit);
-bool HasPendingInterrupt();
-void DispatchInterrupt();
 
 void DisassembleAndPrint(u32 addr);
 void DisassembleAndLog(u32 addr);