Redundant code

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23042 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
IntersectRegion[ <Plane>, <Polyhedron> ] : part 2

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23043 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
download ggb button name (#2976)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23044 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e