core: Remove unnecessary enum casts in log calls

Follows the video core PR. fmt doesn't require casts for enum classes
anymore, so we can remove quite a few casts.

Co-Authored-By: LC <712067+lioncash@users.noreply.github.com>

src/core/hle/kernel/shared_page.cpp

@@ -50,8 +50,7 @@ static std::chrono::seconds GetInitTime() {
     case Settings::InitClock::FixedTime:
         return std::chrono::seconds(Settings::values.init_time);
     default:
-        UNREACHABLE_MSG("Invalid InitClock value ({})",
-                        static_cast<u32>(Settings::values.init_clock));
+        UNREACHABLE_MSG("Invalid InitClock value ({})", Settings::values.init_clock);
     }
 }