Flatten the new wind change modoption

Let's not introduce a new subtable, would require back-compat
when modoptions are flattened after #1260.

rts/Sim/Misc/ModInfo.cpp

@@ -334,10 +334,7 @@ void CModInfo::Init(const std::string& modFileName)
 			throw content_error("Sensors\\Los\\AirLosMipLevel out of bounds. The minimum value is 0. The maximum value is 30.");
 	}
 	{
-		//misc
-		const LuaTable& misc = root.SubTable("misc");
-
-		windChangeReportPeriod = static_cast<int>(math::roundf(misc.GetFloat("windChangeReportPeriod", static_cast<float>(windChangeReportPeriod) / GAME_SPEED) * GAME_SPEED));
+		windChangeReportPeriod = static_cast<int>(math::roundf(root.GetFloat("windChangeReportPeriod", static_cast<float>(windChangeReportPeriod) / GAME_SPEED) * GAME_SPEED));
 	}
 
 	if (!std::has_single_bit <unsigned> (quadFieldQuadSizeInElmos))