refactor(attestation): remove footer from doc structure

app/javascript/shared/tiptap/editor.ts

@@ -25,13 +25,7 @@ import {
   type Extensions
 } from '@tiptap/core';
 
-import {
+import { DocumentWithHeader, Title, Header, HeaderColumn } from './nodes';
-  DocumentWithHeader,
-  Title,
-  Header,
-  Footer,
-  HeaderColumn
-} from './nodes';
 import { createSuggestionMenu, type TagSchema } from './tags';
 
 export function createEditor({
@@ -90,13 +84,13 @@ function getEditorOptions(
         extensions.push(
           TextAlign.configure({
             types: actions.includes('title')
-              ? ['headerColumn', 'title', 'footer', 'heading', 'paragraph']
+              ? ['headerColumn', 'title', 'heading', 'paragraph']
               : ['heading', 'paragraph']
           })
         );
         break;
       case 'title':
-        extensions.push(Header, HeaderColumn, Title, Footer);
+        extensions.push(Header, HeaderColumn, Title);
         break;
       case 'heading2':
       case 'heading3':

app/javascript/shared/tiptap/nodes.ts

@@ -3,7 +3,7 @@ import { Node, mergeAttributes } from '@tiptap/core';
 export const DocumentWithHeader = Node.create({
   name: 'doc',
   topNode: true,
-  content: 'header title block+ footer'
+  content: 'header title block+'
 });
 
 export const Title = Node.create({
@@ -37,19 +37,6 @@ export const Header = Node.create({
   }
 });
 
-export const Footer = Node.create({
-  name: 'footer',
-  content: 'paragraph+',
-  defining: true,
-
-  parseHTML() {
-    return [{ tag: `footer` }];
-  },
-  renderHTML({ HTMLAttributes }) {
-    return ['footer', mergeAttributes(HTMLAttributes, { class: 'footer' }), 0];
-  }
-});
-
 export const HeaderColumn = Node.create({
   name: 'headerColumn',
   content: 'paragraph',