Set the light at the correct place

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31926 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Removed dead code

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31927 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e