Update Redis docs to remove section on cluster restarts
Update Redis docs to remove section on cluster restarts

This commit updates the Redis docs to remove the section on cluster restarts, which have recently been removed from Puppet (https://github.com/alphagov/govuk-puppet/commit/8f5d6745a6c84c9dc2cb371ffa408049a2e7471c).

alphagov/govuk-developer-docs,alphagov/govuk-developer-docs,alphagov/govuk-developer-docs,alphagov/govuk-developer-docs