feat(chat-disclaimer): remove deprecated DisclaimerModal component (#3094)

* chore(chat-disclaimer): rm deprecated DisclaimerModal

* docs(chat-disclaimer): update README

* chore(chat-disclaimer): changeset

Author: stephl3

.changeset/red-buttons-scream.md

@@ -0,0 +1,5 @@
+---
+'@lg-chat/chat-disclaimer': major
+---
+
+Remove deprecated and unused `DisclaimerModal`

chat/chat-disclaimer/README.md

@@ -33,7 +33,3 @@ npm install @lg-chat/chat-disclaimer
 | `title`       | `string`                  | Heading text                 |         |
 | `description` | `string`                  | Subtext for fine print       |         |
 | `...`         | `HTMLElementProps<'div'>` | Props spread on root element |         |
-
-#### DisclaimerModal
-
-DisclaimerModal is an alias to LeafyGreen UI's [Marketing Modal](https://github.com/mongodb/leafygreen-ui/tree/main/packages/marketing-modal) that was created for visibility purposes in the context of building chat interfaces.

chat/chat-disclaimer/src/DisclaimerModal/DisclaimerModal.stories.tsx

@@ -1,5 +1 @@
-/**
- * @deprecated - use `@leafygreen-ui/marketing-modal` instead
- */
-export { DisclaimerModal } from './DisclaimerModal';
 export { DisclaimerText, type DisclaimerTextProps } from './DisclaimerText';