remove some dead code
remove some dead code

anthonny/asciidoctor,anthonny/asciidoctor,asciidocfx/asciidoctor,cuit-zhaxin/asciidoctor,pepijnve/asciidoctor,mjang/mj-asciidoc,mjang/mj-asciidoc,glamouracademy/asciidoctor,gjtorikian/asciidoctor,neontapir/asciidoctor,pepijnve/asciidoctor,yukisan/asciidoctor,glamouracademy/asciidoctor,cuit-zhaxin/asciidoctor,asciidocfx/asciidoctor,neontapir/asciidoctor,gjtorikian/asciidoctor,yukisan/asciidoctor,benignbala/asciidoctor,benignbala/asciidoctor