Remove calendar scope on example app

Author: zquestz

examples/config.ru

@@ -29,7 +29,7 @@ class App < Sinatra::Base
   use OmniAuth::Builder do
     # For additional provider examples please look at 'omni_auth.rb'
     # The key provider_ignores_state is only for AJAX flows. It is not recommended for normal logins.
-    provider :google_oauth2, ENV['GOOGLE_KEY'], ENV['GOOGLE_SECRET'], access_type: 'offline', prompt: 'consent', provider_ignores_state: true, scope: 'email,profile,calendar'
+    provider :google_oauth2, ENV['GOOGLE_KEY'], ENV['GOOGLE_SECRET'], access_type: 'offline', prompt: 'consent', provider_ignores_state: true, scope: 'email,profile'
   end
 
   get '/' do