Remove deprecated code.
Remove deprecated code.

quilljs/quill,KentZheng/gitFlowTIB,Asana/quill-1,jcppman/quill,hampsterx/quill,Asana/quill-1,sferoze/quilljs,anovi/quill,sferoze/quilljs,casetext/quill,willrowe/quill,jziggas/quill,casetext/quill,syungkeaw/quill,KentZheng/gitFlowTIA,praneybehl/quill,KentZheng/gitFlowTIA,tim-mc/quill,fraywing/quill,mobitroll/kahoot-quill,Benibur/quill,gutenye/quill,tim-mc/quill,DemocracyOS/quill,psiemens/quill,KentZheng/testingflow,studio666/quill,kmoe/quill,kmoe/quill,smartsocialmedia/quill,JoshBarr/quill,eXcomm/quill,milqfm/quill,dahal/quill,psiemens/quill,quilljs/quill,milqfm/quill,voxmedia/quill,quilljs/quill,willrowe/quill,fraywing/quill,voxmedia/quill,DemocracyOS/quill,KentZheng/testingflow,mobitroll/kahoot-quill,willrowe/quill,voxmedia/quill,sferoze/quilljs,smartsocialmedia/quill,KentZheng/gitFlowTIB,sferoze/quilljs,jayzawrotny/quill