Suppress doc generation for ThreadLocal and SharedImmutable type aliases

The aliased types are still searchable.

(cherry picked from commit 4f6d73964a55188e02162ba7c643961056b3d8cb)

runtime/src/main/kotlin/kotlin/native/Annotations.kt

@@ -36,8 +36,10 @@ public annotation class RetainForTarget(val target: String)
 @Deprecated("Use common kotlin.Throws annotation instead.", ReplaceWith("kotlin.Throws"), DeprecationLevel.WARNING)
 public typealias Throws = kotlin.Throws
 
+/** @suppress */
 public typealias ThreadLocal = kotlin.native.concurrent.ThreadLocal
 
+/** @suppress */
 public typealias SharedImmutable = kotlin.native.concurrent.SharedImmutable
 
 /**