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

* Core/Misc: fix double empty line

* worldserver.conf

(cherry picked from commit a32b6b8ac4)

src/tools/vmap4_assembler/TileAssembler.cpp

@@ -396,7 +396,6 @@ namespace VMAP
         READ_OR_RETURN(&mogpflags, sizeof(uint32));
         READ_OR_RETURN(&GroupWMOID, sizeof(uint32));
 
-
         Vector3 vec1, vec2;
         READ_OR_RETURN(&vec1, sizeof(Vector3));