Use the meta tags component from the gem
Use the meta tags component from the gem

This replaces the analytics meta tags component from Static with the new [meta tags component](https://github.com/alphagov/govuk_publishing_components/pull/278) in the gem. There should be no changes in behaviour.

https://trello.com/c/2w1AKyuW

alphagov/smart-answers,alphagov/smart-answers,alphagov/smart-answers,alphagov/smart-answers