general: Use template deduction guides for lock_guard

Same behavior, less code.

src/core/hle/service/bcat/backend/backend.cpp

@@ -84,7 +84,7 @@ void ProgressServiceBackend::FinishDownload(ResultCode result) {
 
 void ProgressServiceBackend::SignalUpdate() const {
     if (need_hle_lock) {
-        std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+        std::lock_guard lock(HLE::g_hle_lock);
         event.writable->Signal();
     } else {
         event.writable->Signal();

src/yuzu/applets/controller.cpp

@@ -596,6 +596,6 @@ void QtControllerSelector::ReconfigureControllers(
 
 void QtControllerSelector::MainWindowReconfigureFinished() {
     // Acquire the HLE mutex
-    std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
+    std::lock_guard lock(HLE::g_hle_lock);
     callback();
 }