chore(demos): remove component-docs gulp tasks
chore(demos): remove component-docs gulp tasks

component-docs demos is now a standalone app in its own repo:
https://github.com/driftyco/ionic-preview-app

jhlee8804/ionic,TillaTheHun0/ionic,TillaTheHun0/ionic,manucorporat/ionic,manucorporat/ionic,driftyco/ionic,dennybiasiolli/ionic,cambronjay/ionic,driftyco/ionic,jhlee8804/ionic,cambronjay/ionic,cambronjay/ionic,jarrodkoch/ionic,janglednerves/ionic,jarrodkoch/ionic,janglednerves/ionic,dennybiasiolli/ionic,janglednerves/ionic,jhlee8804/ionic,cambronjay/ionic,cambronjay/ionic,dennybiasiolli/ionic,brianespinosa/ionic2-sass,dennybiasiolli/ionic,AbraaoAlves/ionic,alan-agius4/ionic,janglednerves/ionic,TillaTheHun0/ionic,dennybiasiolli/ionic,manucorporat/ionic,joshesp/ionic,alan-agius4/ionic,driftyco/ionic,joshesp/ionic,manucorporat/ionic,alan-agius4/ionic,jhlee8804/ionic,driftyco/ionic,jhlee8804/ionic,manucorporat/ionic,janglednerves/ionic,AbraaoAlves/ionic,driftyco/ionic,jarrodkoch/ionic,alan-agius4/ionic,joshesp/ionic,jarrodkoch/ionic,AbraaoAlves/ionic,alan-agius4/ionic,jarrodkoch/ionic,AbraaoAlves/ionic,TillaTheHun0/ionic,AbraaoAlves/ionic,alan-agius4/ionic,joshesp/ionic