Remove invoke shower.showPresenterNotes() in enterSlideMode because it already invoked in shower.go()
Remove invoke shower.showPresenterNotes() in enterSlideMode because it already invoked in shower.go()

easy-deep-learning/event-emitter,shower/core,RubenVerborgh/shower,shengxiang/shower,zolotyh/spa-pres,Ladicle/shower,myshov/story_of_vim,Ladicle/shower,shengxiang/shower,roadev/jekyll_caliruby_meetup,Robsteranium/grafting-linked-data-slides,belbiy/eugene-intro,Robsteranium/grafting-linked-data-slides,popo1221/shower,alexws54tk/shower,first-wanderer/shower,myshov/story_of_vim,rakchaev/offline_frontend-mix2016,zolotyh/spa-pres,MammaSonnim/git-show,popo1221/shower,roadev/jekyll_caliruby_meetup,tenebricosa/machine,rom4j/shower,bardt/devtools_outside_in,CaraWang/2016-talk-cnyes-elasticsearch,rakchaev/assembly-pyatnica2016,innovateboliu/innovateboliu.github.io,AnalogJ/capsulecd-slides,rakchaev/offline_frontend-mix2016,MammaSonnim/git-show,bardt/devtools_outside_in,AnalogJ/capsulecd-slides,rakchaev/assembly-pyatnica2016,innovateboliu/innovateboliu.github.io,easy-deep-learning/event-emitter,first-wanderer/shower,tenebricosa/machine,alexws54tk/shower,CaraWang/2016-talk-cnyes-elasticsearch,belbiy/eugene-intro,RubenVerborgh/shower