Ignore remove-platform error if android is not added
Ignore remove-platform error if android is not added

jad11v/meteor-buildpack-horse,forwarder/meteor-buildpack-horse,spozi/meteor-buildpack-horse,smartphoneorchestra/heroku-buildpack-meteor-ffmpeg-lame,domo-lab/meteor-buildpack-horse,dalloro/meteor-buildpack-pony,RocketChat/heroku-buildpack-meteor,tab00/prebuiltdeploy,okgrow/meteor-buildpack-horse,rolltapeinc/meteor-buildpack-horse,AdmitHub/meteor-buildpack-horse,hexsprite/meteor-buildpack-horse,webantic/meteor-buildpack-horse,lirbank/meteor-buildpack-horse,vmtung/heroku-meteor-buildpack