removes initial setting of authResponse
removes initial setting of authResponse

Is not allowed in sdk.js version of facebook js sdk.
karthiksekarnz/angular-facebook,ofirgott/angular-facebook,Ciul/angular-facebook,bajzarpa/angular-facebook,ofirgott/angular-facebook,BenjaminCh/angular-facebook,bajzarpa/angular-facebook,Ciul/angular-facebook,BenjaminCh/angular-facebook,karthiksekarnz/angular-facebook