[light classes] move JavaElementFinder to light-classes-base module

^KT-53097

compiler/light-classes-base/src/org/jetbrains/kotlin/asJava/finder/JavaElementFinder.kt

@@ -1,11 +1,10 @@
 /*
- * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.asJava.finder
 
-import com.google.common.collect.Sets
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.Condition
 import com.intellij.psi.*
@@ -105,7 +104,7 @@ class JavaElementFinder(
 
         val declarations = kotlinAsJavaSupport.findClassOrObjectDeclarationsInPackage(packageFQN, scope)
 
-        val answer = Sets.newHashSet<String>()
+        val answer = hashSetOf<String>()
         answer.addAll(kotlinAsJavaSupport.getFacadeNames(packageFQN, scope))
 
         for (declaration in declarations) {