Remove version info from conf.py -- rtd doesn't use it
Remove version info from conf.py -- rtd doesn't use it

vishesh92/redash,crowdworks/redash,jmvasquez/redashtest,44px/redash,stefanseifert/redash,imsally/redash,44px/redash,denisov-vlad/redash,hudl/redash,getredash/redash,M32Media/redash,alexanderlz/redash,stefanseifert/redash,jmvasquez/redashtest,akariv/redash,crowdworks/redash,moritz9/redash,imsally/redash,moritz9/redash,vishesh92/redash,ninneko/redash,M32Media/redash,denisov-vlad/redash,chriszs/redash,pubnative/redash,vishesh92/redash,imsally/redash,easytaxibr/redash,amino-data/redash,hudl/redash,ninneko/redash,guaguadev/redash,akariv/redash,akariv/redash,guaguadev/redash,rockwotj/redash,useabode/redash,imsally/redash,stefanseifert/redash,EverlyWell/redash,denisov-vlad/redash,pubnative/redash,crowdworks/redash,pubnative/redash,getredash/redash,amino-data/redash,easytaxibr/redash,chriszs/redash,guaguadev/redash,jmvasquez/redashtest,stefanseifert/redash,rockwotj/redash,44px/redash,EverlyWell/redash,ninneko/redash,getredash/redash,pubnative/redash,EverlyWell/redash,guaguadev/redash,M32Media/redash,stefanseifert/redash,amino-data/redash,ninneko/redash,denisov-vlad/redash,chriszs/redash,44px/redash,easytaxibr/redash,rockwotj/redash,useabode/redash,M32Media/redash,hudl/redash,denisov-vlad/redash,alexanderlz/redash,hudl/redash,rockwotj/redash,akariv/redash,EverlyWell/redash,jmvasquez/redashtest,alexanderlz/redash,crowdworks/redash,moritz9/redash,vishesh92/redash,easytaxibr/redash,useabode/redash,ninneko/redash,chriszs/redash,getredash/redash,guaguadev/redash,jmvasquez/redashtest,pubnative/redash,getredash/redash,akariv/redash,moritz9/redash,amino-data/redash,alexanderlz/redash,useabode/redash,easytaxibr/redash