chore: remove the deprecated simdutf8 aarch64_neon feature

Author: Boshen

Cargo.toml

@@ -75,7 +75,7 @@ thiserror = "1"
 json-strip-comments = "1"
 indexmap = { version = "2", features = ["serde"] }
 cfg-if = "1"
-simdutf8 = { version = "0.1", features = ["aarch64_neon"] }
+simdutf8 = { version = "0.1" }
 
 pnp = { version = "0.9.0", optional = true }