Do not create dummy graphics just for hashmap key

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37802 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Remove Tools menu for tablets

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37803 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e