refactor: Replace lazy_static with OnceLock for zero-cost concurrent reads based on review vllm-project#266 (comment)

Author: rootfs

candle-binding/Cargo.lock

@@ -33,11 +33,10 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.93"
 tracing = "0.1.37"
 libc = "0.2.147"
-lazy_static = "1.4.0"
 rand = "0.8.5"
 # Performance optimization: parallel processing and lock-free initialization
 rayon = "1.8"       
-once_cell = "1.19"
+once_cell = "1.19"  # Used for lazy initialization of global state
 
 [dev-dependencies]
 rstest = "0.18"