Removed dead code

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34159 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
AlgoListLCM made more consistent with AlgoListGCD, as well as with itself (first element of the list should be like the other elements)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34160 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e