Remove redundant initializer printout

This is causing a linting error and is common knowledge. We don't
need to print it out.

config/initializers/govuk_publishing_components.rb

@@ -2,11 +2,3 @@
   c.component_guide_title = "Government Frontend Component Guide"
   c.application_print_stylesheet = "print"
 end
-
-if Rails.env.development?
-  startup_message = "=> government-frontend component guide available at: /component-guide"
-  color_blue = 36
-
-  # https://stackoverflow.com/questions/1489183/colorized-ruby-output
-  puts "\e[#{color_blue}m#{startup_message}\e[0m"
-end