STYLE: Replace EdgeListPointerType with EdgeListType *

Made it clearer that `QuadEdgeMeshBoundaryEdgesMeshFunction` just use a _raw_
pointer (not a smart pointer) to the edge list.

src/Core/QuadEdgeMesh/ExtractVertexOnMeshBoundaries/Code.cxx

@@ -59,9 +59,8 @@ main(int argc, char * argv[])
   using MeshQEType = MeshType::QEType;
   using MeshIteratorGeom = MeshQEType::IteratorGeom;
 
-  using EdgeListType = MeshType::EdgeListType;
-  using EdgeListPointer = MeshType::EdgeListPointerType;
-  using EdgeListIterator = EdgeListType::iterator;
+  using EdgeListPointer = MeshType::EdgeListType *;
+  using EdgeListIterator = MeshType::EdgeListType::iterator;
 
   EdgeListPointer list = extractor->Evaluate(*mesh);