docs: npm packages are no longer experimental

Author: Boshen

src/docs/guide/usage/parser.md

@@ -27,7 +27,7 @@ Rust usage example can be found [here](https://github.com/oxc-project/oxc/blob/m
 
 ### Node.js (NAPI)
 
-Try the experimental node binding [oxc-parser][url-oxc-parser-npm].
+Try the node binding [oxc-parser][url-oxc-parser-npm].
 
 <!-- Links -->
 

src/docs/guide/usage/transformer.md

@@ -10,7 +10,7 @@
 
 ### Node.js
 
-Use the experimental node binding [oxc-transform][url-oxc-transform-npm].
+Use the node binding [oxc-transform][url-oxc-transform-npm].
 
 ### Rust