Drop package facades: code cleanup in Kotlin project.

core/reflection.jvm/src/kotlin/reflect/jvm/internal/ReflectionFactoryImpl.java

@@ -36,7 +36,7 @@ public class ReflectionFactoryImpl extends ReflectionFactory {
 
     @Override
     public KClass getOrCreateKotlinClass(Class javaClass) {
-        return InternalPackage.getOrCreateKotlinClass(javaClass);
+        return KClassCacheKt.getOrCreateKotlinClass(javaClass);
     }
 
     // Functions

core/reflection.jvm/src/kotlin/reflect/jvm/internal/kClassCache.kt

@@ -17,6 +17,7 @@
 package kotlin.reflect.jvm.internal
 
 import java.lang.ref.WeakReference
+import kotlin.reflect.KClass
 import kotlin.reflect.jvm.internal.pcollections.HashPMap
 
 // TODO: collect nulls periodically