Don't try to overwrite history for noble family counties

Author: IhateTrains

ImperatorToCK3/CK3/World.cs

@@ -543,6 +543,9 @@ private void OverwriteCountiesHistory(CountryCollection irCountries, List<Govern
 		FrozenSet<Governorship> countyLevelGovernorshipsSet = countyLevelGovernorships.ToFrozenSet();
 
 		foreach (var county in LandedTitles.Counties) {
+			if (county.NobleFamily == true) {
+				continue;
+			}
 			if (county.CapitalBaronyProvinceId is null) {
 				Logger.Warn($"County {county} has no capital barony province!");
 				continue;