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.

src/core/hle/kernel/server_session.cpp

@@ -130,8 +130,7 @@ ResultCode ServerSession::HandleDomainSyncRequest(Kernel::HLERequestContext& con
     }
     }
 
-    LOG_CRITICAL(IPC, "Unknown domain command={}",
-                 static_cast<int>(domain_message_header.command.Value()));
+    LOG_CRITICAL(IPC, "Unknown domain command={}", domain_message_header.command.Value());
     ASSERT(false);
     return RESULT_SUCCESS;
 }