Temporary revert r34195 (must be some infinite loop due to repaintView())

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34238 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
No TRIANGLE_FAN for IE (should work)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34239 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e