Update release notes for gospice v9.0.0

Removed mention of DataFusion 54 from the release notes.

Author: krinart

docs/release_notes/v9.0.0.md

@@ -1,6 +1,6 @@
 # Announcing gospice v9.0.0 - Async Queries & DataFusion 54 🚀
 
-gospice v9.0.0 introduces **asynchronous queries** and upgrades the Apache Arrow stack to match the Spice.ai runtime built on DataFusion 54. It also adds mutual TLS, semantic search, per-component runtime status, active-query management, and natural-language querying. This is a major release with breaking changes.
+gospice v9.0.0 introduces **asynchronous queries** and upgrades the Apache Arrow stack. It also adds mutual TLS, semantic search, per-component runtime status, active-query management, and natural-language querying. This is a major release with breaking changes.
 
 ## 🎯 Major Features