Update plan-comparison.mdx to modify AI feature descriptions and clarify pricing for Deep Search as an add-on

Author: jdorfman

docs/pricing/plan-comparison.mdx

@@ -5,13 +5,7 @@
 |           **Features**           |             **Free**              |      **Enterprise Starter**       |                    **Enterprise**                     |
 | -------------------------------- | --------------------------------- | --------------------------------- | ----------------------------------------------------- |
 | **AI**                           |                                   |                                   |                                                       |
-| Autocomplete                     | N/A                               | N/A                               | Unlimited                                             |
-| Chat messages and prompts        | N/A                               | N/A                               | Unlimited                                             |
-| Code context and personalization | N/A                               | N/A                               | Remote, enterprise-scale codebases                    |
-| Prompt Library                   | N/A                               | N/A                               | ✓                                                     |
-| Bring your own LLM Key           | N/A                               | N/A                               | Self-Hosted only                                      |
-| Auto-edit                        | N/A                               | N/A                               | ✓                                                     |
-| Aentic chat experience           | N/A                               | N/A                               | ✓                                                     |
+| Deep Search                     | N/A                               | N/A                               | Add-on                                             |
 | **Code Search**                  |                                   |                                   |                                                       |
 | Code Search                      | Public Code                       | ✓                                 | ✓                                                     |
 | Code Navigation                  | -                                 | ✓                                 | ✓                                                     |