Removed face_colors from tube example (for now)
Removed face_colors from tube example (for now)

kkuunnddaannkk/vispy,hronoses/vispy,RebeccaWPerry/vispy,jay3sh/vispy,bollu/vispy,Eric89GXL/vispy,bollu/vispy,kkuunnddaannkk/vispy,RebeccaWPerry/vispy,michaelaye/vispy,jay3sh/vispy,ghisvail/vispy,jdreaver/vispy,hronoses/vispy,Eric89GXL/vispy,RebeccaWPerry/vispy,julienr/vispy,srinathv/vispy,QuLogic/vispy,Eric89GXL/vispy,julienr/vispy,sbtlaarzc/vispy,kkuunnddaannkk/vispy,dchilds7/Deysha-Star-Formation,sh4wn/vispy,drufat/vispy,drufat/vispy,dchilds7/Deysha-Star-Formation,inclement/vispy,inclement/vispy,sbtlaarzc/vispy,sh4wn/vispy,sh4wn/vispy,QuLogic/vispy,julienr/vispy,dchilds7/Deysha-Star-Formation,ghisvail/vispy,sbtlaarzc/vispy,bollu/vispy,srinathv/vispy,hronoses/vispy,drufat/vispy,jdreaver/vispy,michaelaye/vispy,jdreaver/vispy,srinathv/vispy,jay3sh/vispy,michaelaye/vispy,QuLogic/vispy,ghisvail/vispy,inclement/vispy