Autodetect number of threads (remove setting). Fix some bugs.

Core/Config.cpp

@@ -423,12 +423,6 @@ std::string CreateRandMAC() {
 	return randStream.str();
 }
 
-static int DefaultNumWorkers() {
-	// Let's cap the global thread pool at 16 threads. Nothing we do really should have much
-	// use for more...
-	return std::min(16, cpu_info.num_cores);
-}
-
 static int DefaultCpuCore() {
 #if PPSSPP_ARCH(ARM) || PPSSPP_ARCH(ARM64) || PPSSPP_ARCH(X86) || PPSSPP_ARCH(AMD64)
 	return (int)CPUCore::JIT;
@@ -473,7 +467,6 @@ static ConfigSetting generalSettings[] = {
 	ConfigSetting("DiscordPresence", &g_Config.bDiscordPresence, true, true, false),  // Or maybe it makes sense to have it per-game? Race conditions abound...
 	ConfigSetting("UISound", &g_Config.bUISound, false, true, false),
 
-	ReportedConfigSetting("NumWorkerThreads", &g_Config.iNumWorkerThreads, &DefaultNumWorkers, true, true),
 	ConfigSetting("AutoLoadSaveState", &g_Config.iAutoLoadSaveState, 0, true, true),
 	ReportedConfigSetting("EnableCheats", &g_Config.bEnableCheats, false, true, true),
 	ConfigSetting("CwCheatRefreshRate", &g_Config.iCwCheatRefreshRate, 77, true, true),