Remove unnecessary all, which makes clippy weepy

crates/uv-production-memory-allocator/src/lib.rs

@@ -1,7 +1,7 @@
 //! The only purpose of this crate is to pull in `mimalloc` on windows and
 //! `tikv-jemallocator` on most other platforms.
 
-#[cfg(all(target_os = "windows"))]
+#[cfg(target_os = "windows")]
 #[global_allocator]
 static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;