Revert "Add max height for message that is too large"

This reverts commit f5a025e.

Author: FadhlanR

packages/host/app/components/ai-assistant/message/index.gts

@@ -215,11 +215,6 @@ export default class AiAssistantMessage extends Component<Signature> {
       .is-error .content .cards > :deep(.card-pill .boxel-card-container) {
         background: var(--boxel-200);
         color: var(--boxel-500);
-        max-height: 300px;
-      }
-
-      .is-error .content code {
-        text-overflow: ellipsis;
       }
 
       .content > :deep(.patch-message) {