ANDROID: Get rid of Fn->ALT metakey mapping

Thanks to Ge0rG for the analysis

backends/platform/android/events.cpp

@@ -461,8 +461,12 @@ void OSystem_Android::pushEvent(int type, int arg1, int arg2, int arg3,
 
 		if (arg4 & JMETA_SHIFT)
 			e.kbd.flags |= Common::KBD_SHIFT;
-		if (arg4 & JMETA_ALT)
-			e.kbd.flags |= Common::KBD_ALT;
+		// JMETA_ALT is Fn on physical keyboards!
+		// when mapping this to ALT - as we know it from PC keyboards - all
+		// Fn combos will be broken (like Fn+q, which needs to end as 1 and
+		// not ALT+1). Do not want.
+		//if (arg4 & JMETA_ALT)
+		//	e.kbd.flags |= Common::KBD_ALT;
 		if (arg4 & (JMETA_SYM | JMETA_CTRL))
 			e.kbd.flags |= Common::KBD_CTRL;