fix(ci): remove weekly MSRV release run

RUSTREWRITE.md

@@ -165,7 +165,7 @@ crates under `types`, `structured_data`, and `imaging_abstractions`. Rendering,
 voice, RLV, LSL tools, and native Skia remain separate so users do not pay for
 large or platform-specific dependency trees unless requested.
 
-The workspace uses Rust 2024 with MSRV 1.96. Generated code is committed so
+The workspace uses Rust 2024 with Rust 1.97.1. Generated code is committed so
 ordinary consumers do not need Python, .NET, Roslyn, or the upstream checkout.
 
 ## 3. Public API translation policy
@@ -868,7 +868,7 @@ not part of the default smoke test.
 11. **Programs/live grid:** offline inspector, four core examples, TestClient,
     then voice adapters and opt-in live/device validation.
 12. **Hardening/release:** fuzz untrusted parsers, cross-platform native CI,
-    MSRV, docs/examples, semver/API audit, license/asset audit, performance
+    docs/examples, semver/API audit, license/asset audit, performance
     comparison against the separately run pinned C# implementation, and an
     artifact/dependency audit proving there is no CLR, .NET assembly, subprocess,
     RPC, or LibreMetaverse foreign-interface dependency.