Drop screenshot specs from repo

Same reasoning as activeadmin_table_footer — screenshot generators are
one-off tooling for refreshing the assets-v1 release, not part of the
regression suite.

Author: Fivell

Gemfile

@@ -14,5 +14,4 @@ group :test do
   gem "puma"
   gem "sassc-rails"
   gem "actionmailer"
-  gem "selenium-webdriver", "~> 4.20"
 end

gemfiles/activeadmin_3.5.gemfile

@@ -15,5 +15,4 @@ group :test do
   gem "puma"
   gem "sassc-rails"
   gem "actionmailer"
-  gem "selenium-webdriver", "~> 4.20"
 end

gemfiles/activeadmin_4.0.gemfile

@@ -18,5 +18,4 @@ group :test do
   gem "cssbundling-rails"
   gem "tailwindcss-rails", "~> 4.0"
   gem "actionmailer"
-  gem "selenium-webdriver", "~> 4.20"
 end

spec/features/bookings_screenshot_spec.rb

@@ -11,7 +11,6 @@
 require "rspec/rails"
 require "capybara/rspec"
 require "capybara/active_admin/rspec"
-require_relative "support/screenshots"
 require_relative "support/tailwind_setup"
 
 load File.expand_path("dummy/db/schema.rb", __dir__)