CCM-8430: rm obsolete snaps

Author: alexnuttall

frontend/src/__tests__/components/forms/EmailTemplateForm/__snapshots__/EmailTemplateForm.test.tsx.snap

@@ -1807,7 +1807,7 @@ exports[`renders page with preloaded field values 1`] = `
 </DocumentFragment>
 `;
 
-exports[`renders page without back link for initial state with id 1`] = `
+exports[`renders page without back link for initial state with id - edit mode 1`] = `
 <DocumentFragment>
   <main
     class="nhsuk-main-wrapper"

frontend/src/__tests__/components/forms/NhsAppTemplateForm/__snapshots__/NhsAppTemplateForm.test.tsx.snap

@@ -1934,7 +1934,7 @@ exports[`renders page with preloaded field values 1`] = `
 </DocumentFragment>
 `;
 
-exports[`renders page without back link for initial state with id 1`] = `
+exports[`renders page without back link for initial state with id - edit mode 1`] = `
 <DocumentFragment>
   <main
     class="nhsuk-main-wrapper"

frontend/src/__tests__/components/forms/SmsTemplateForm/__snapshots__/SmsTemplateForm.test.tsx.snap

@@ -367,7 +367,7 @@ exports[`CreateSmsTemplate component renders page one error 1`] = `
 </DocumentFragment>
 `;
 
-exports[`CreateSmsTemplate component renders page with back link if initial state has no id 1`] = `
+exports[`CreateSmsTemplate component renders page with back link if initial state has no id - edit mode 1`] = `
 <DocumentFragment>
   <div
     class="nhsuk-back-link"