update java link

Author: buenaflor

docs/platforms/kotlin-multiplatform/features/index.mdx

@@ -9,7 +9,7 @@ Because the SDK provides a unified API for all supported platforms directly leve
 
 - [Apple features](/platforms/apple/features)
 - [Android features](/platforms/android/features)
-- [Java features](/platforms/java/features)
+- [Java features](/platforms/java)
 
 <Note>
 Some functionality may not be available in the shared Kotlin Multiplatform layer yet. You may have to use the native SDKs directly, or write your own platform-specific code.