docs(readme): rm not implemented command

JohnTrunix · JohnTrunix · commit 41f0a11c16b7 · 2025-05-05T20:02:23.000+02:00
diff --git a/README.md b/README.md
@@ -76,7 +76,6 @@ grim --help
 │ flush     Flush the whole vectorstore                                       │
 │ init      Initialize a new grimoire project                                 │
 │ sync      Sync the grimoire project with existing configuration             │
-│ update    Update the grimoire sources with the latest dependencies          │
 │ verify    Verify the configuration of the project                           │
 ╰─────────────────────────────────────────────────────────────────────────────╯
 ```
