Remove `init` call from Feedback Demo IOSOSX-15
Remove `init` call from Feedback Demo
IOSOSX-15

sahara108/apptentive-ios,hibu/apptentive-ios,apptentive/apptentive-ios,ALHariPrasad/apptentive-ios,ALHariPrasad/apptentive-ios,hibu/apptentive-ios,apptentive/apptentive-ios,apptentive/apptentive-ios,hibu/apptentive-ios,sahara108/apptentive-ios,Jawbone/apptentive-ios,Jawbone/apptentive-ios