Delete schemas Rake task
Delete schemas Rake task

`./script/generate` doesn't exist so this task can never succeed

whithajess/publify,telekomatrix/publify,seyedrazavi/publify,sf-wdi-25/publify_debugging_lab,publify/publify,hmallett/publify,hmallett/publify,babaa/foodblog,blairanderson/that-music-blog,K-and-R/publify,SF-WDI-LABS/publify_debugging_lab,solanolabs/publify,jcfausto/publify,drakontia/publify,freibuis/publify,jcfausto/publify,mozzan/publify,SF-WDI-LABS/publify_debugging_lab,publify/publify,K-and-R/publify,seyedrazavi/publify,publify/publify,whithajess/publify,Juuro/publify,whithajess/publify,mozzan/publify,babaa/foodblog,freibuis/publify,telekomatrix/publify,blairanderson/that-music-blog,solanolabs/publify,shaomingtan/publify,seyedrazavi/publify,SF-WDI-LABS/publify_debugging_lab,K-and-R/publify,Juuro/publify,Juuro/publify,sf-wdi-25/publify_debugging_lab,drakontia/publify,sf-wdi-25/publify_debugging_lab,shaomingtan/publify,telekomatrix/publify,freibuis/publify,solanolabs/publify,mozzan/publify,jcfausto/publify,blairanderson/that-music-blog,hmallett/publify