Revert "Warn whenever rich text editor has unsaved changes"

This reverts commit 419219c703.

web/components/editor.tsx

@@ -42,7 +42,6 @@ import ItalicIcon from 'web/lib/icons/italic-icon'
 import LinkIcon from 'web/lib/icons/link-icon'
 import { getUrl } from 'common/util/parse'
 import { TiptapSpoiler } from 'common/util/tiptap-spoiler'
-import { useWarnUnsavedChanges } from 'web/hooks/use-warn-unsaved-changes'
 
 const DisplayImage = Image.configure({
   HTMLAttributes: {
@@ -151,9 +150,6 @@ export function useTextEditor(props: {
     editor?.setEditable(!disabled)
   }, [editor, disabled])
 
-  const isEditorFilled = editor != null && !editor.isEmpty
-  useWarnUnsavedChanges(isEditorFilled)
-
   return { editor, upload }
 }