CCM-11390 Remove status footnote from waiting for proof

Author: nicki-nhs

frontend/src/__tests__/components/organisms/__snapshots__/PreviewLetterTemplate.test.tsx.snap

@@ -1371,11 +1371,6 @@ exports[`PreviewLetterTemplate component matches snapshot when template status i
                 >
                   Waiting for proof
                 </strong>
-                <small
-                  class="preview__statusnote nhsuk-body-s nhsuk-u-margin-top-2 nhsuk-u-secondary-text-color"
-                >
-                  Refresh the page to update the status
-                </small>
               </dd>
             </div>
             <div

frontend/src/content/content.ts

@@ -323,7 +323,6 @@ const previewSMSTemplate = {
 const previewTemplateStatusFootnote: Partial<Record<TemplateStatus, string>> = {
   PENDING_UPLOAD: 'Refresh the page to update the status',
   PENDING_VALIDATION: 'Refresh the page to update the status',
-  WAITING_FOR_PROOF: 'Refresh the page to update the status',
 };
 
 const previewTemplateDetails = {