fixup! PC-1701: Add static page for service unavailable

static-pages/service-unavailable/service-unavailable.html

@@ -52,12 +52,6 @@
         </div>
     </header>
     <div class="govuk-width-container">
-        <div class="govuk-phase-banner">
-            <p class="govuk-phase-banner__content">
-                <strong class="govuk-tag govuk-phase-banner__content__tag">Beta</strong>
-                <span class="govuk-phase-banner__text">This is a new service – your <a class="govuk-link" href="https://forms.office.com/e/tsn29X5m91" target="_blank">feedback (opens in new tab)</a> will help us to improve it.</span>
-            </p>
-        </div>
         <nav>
             <a href="https://www.gov.uk/apply-home-upgrade-grant" class="govuk-back-link" id="back-link">Back</a>
         </nav>