remove installing qt4 notebook
remove installing qt4 notebook

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