Common: Get rid of pxTrap()

wx rubbish, no longer needed

common/Exceptions.cpp

@@ -31,18 +31,6 @@
 #include <signal.h>
 #endif
 
-// Because wxTrap isn't available on Linux builds of wxWidgets (non-Debug, typically)
-void pxTrap()
-{
-#if defined(_WIN32)
-	__debugbreak();
-#elif defined(__UNIX__)
-	raise(SIGTRAP);
-#else
-	abort();
-#endif
-}
-
 static std::mutex s_assertion_failed_mutex;
 
 static inline void FreezeThreads(void** handle)

common/Exceptions.h

@@ -20,9 +20,6 @@
 #include "common/Assertions.h"
 #include "common/Pcsx2Defs.h"
 
-// Because wxTrap isn't available on Linux builds of wxWidgets (non-Debug, typically)
-void pxTrap();
-
 namespace Exception
 {
 	class BaseException;

common/Linux/LnxHostSys.cpp

@@ -95,13 +95,6 @@ static void SysPageFaultSignalFilter(int signal, siginfo_t* siginfo, void* ctx)
 
 	std::fprintf(stderr, "Unhandled page fault @ 0x%08x", siginfo->si_addr);
 	pxFailRel("Unhandled page fault");
-
-	// Bad mojo!  Completely invalid address.
-	// Instigate a trap if we're in a debugger, and if not then do a SIGKILL.
-
-	pxTrap();
-	if (!IsDebugBuild)
-		raise(SIGKILL);
 }
 
 void _platform_InstallSignalHandler()