remove Reduce totally

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27100 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
removing defaultbase64web.img

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27101 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fixing test project (unused import)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27102 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
4.9.180.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27103 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e