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/applets/mint.cpp

@@ -11,7 +11,7 @@ namespace HLE::Applets {
 
 ResultCode Mint::ReceiveParameter(const Service::APT::MessageParameter& parameter) {
     if (parameter.signal != Service::APT::SignalType::Request) {
-        LOG_ERROR(Service_APT, "unsupported signal {}", static_cast<u32>(parameter.signal));
+        LOG_ERROR(Service_APT, "unsupported signal {}", parameter.signal);
         UNIMPLEMENTED();
         // TODO(Subv): Find the right error code
         return ResultCode(-1);