Autocorrect new rubocop offenses

lib/tasks/data_demo.rake

@@ -5,6 +5,7 @@ namespace :data do
 
   task demo: :environment do
     include FactoryBot::Syntax::Methods
+
     conference = create(:full_conference, title: 'Open Source Event Manager Demo', short_title: 'osemdemo' ,description: "This is a [Open Source Event Manager](http://osem.io/) demo instance. You can log in as **admin** with the password **password123** or just you just [sign up](/accounts/sign_up) with your own user. We hope you enjoy checking out all the functionality, if you have questions don't hesitate to [contact us](http://osem.io/#contact)!\r\n\r\n## Data will be destroyed every thirty minutes or whenever someone updates the [OSEM source code on github](https://github.com/openSUSE/osem/commits/master).")
     conference.contact.update(email: 'osemdemo@osem.io', sponsor_email: 'osemdemo@osem.io')
     create(:admin, email: 'admin@osem.io', username: 'admin', password: 'password123', password_confirmation: 'password123')

lib/tasks/events_registrations.rake

@@ -7,13 +7,13 @@ namespace :events_registrations do
       duplicates = EventsRegistration.all.map { |er| er.id if er.valid? == false}.compact
 
       puts "Duplicates found: #{duplicates.count}"
-      if duplicates.count > 0
+      if duplicates.any?
         puts "With IDs: #{duplicates}"
       end
 
       EventsRegistration.all.each do |er|
         records = EventsRegistration.where(registration_id: er.registration_id, event_id: er.event_id)
-        if records.count > 1
+        if records.many?
           # Iterate through duplicates (excluding 1st record)
           (1..(records.count - 1)).each do |i|
             puts "Deleting EventsRegistration record with ID #{records[i].id} ..."