Core: whitespace cleanup, reduce double blank line to single (#25795)

* Core/Misc: fix double empty line

* worldserver.conf

(cherry picked from commit a32b6b8ac4)

src/server/game/Garrison/Garrison.cpp

@@ -69,7 +69,6 @@ bool Garrison::LoadFromDB(PreparedQueryResult garrison, PreparedQueryResult blue
             time_t timeBuilt = fields[2].GetInt64();
             bool active = fields[3].GetBool();
 
-
             Plot* plot = GetPlot(plotInstanceId);
             if (!plot)
                 continue;