Disable Info/Warnings in MAME Core

mame-clean.patch

diff --git a/src/frontend/mame/ui/ui.cpp b/src/frontend/mame/ui/ui.cpp
index 9ce3809..bd8efdd 100644
--- a/src/frontend/mame/ui/ui.cpp
+++ b/src/frontend/mame/ui/ui.cpp
@@ -289,6 +289,8 @@ void mame_ui_manager::display_startup_screens(bool first_time)
 	if (!first_time || (str > 0 && str < 60*5) || &machine().system() == &GAME_NAME(___empty) || (machine().debug_flags & DEBUG_FLAG_ENABLED) != 0)
 		show_gameinfo = show_warnings = show_mandatory_fileman = false;
 
+	show_gameinfo = show_warnings = show_mandatory_fileman = false;
+
 	#if defined(EMSCRIPTEN)
 	// also disable for the JavaScript port since the startup screens do not run asynchronously
 	show_gameinfo = show_warnings = false;