Minor: Use kotlin.lazy instead of kotlin.Delegates.lazy in KtPsiFactory.CallableBuilder

compiler/frontend/src/org/jetbrains/kotlin/psi/KtPsiFactory.kt

@@ -533,7 +533,7 @@ public class KtPsiFactory(private val project: Project) {
         public fun lazyBody(body: String): CallableBuilder {
             assert(target == Target.READ_ONLY_PROPERTY && (state == State.BODY || state == State.TYPE_CONSTRAINTS))
 
-            sb.append(" by kotlin.properties.Delegates.lazy {\n").append(body).append("\n}")
+            sb.append(" by kotlin.lazy {\n").append(body).append("\n}")
             state = State.DONE
 
             return this

idea/testData/refactoring/introduceProperty/extractLazyMultipleExpressions.kt.after

@@ -1,9 +1,7 @@
-import kotlin.properties.Delegates
-
 // WITH_RUNTIME
 // EXTRACTION_TARGET: lazy property
 class A {
-    private val i: Int by Delegates.lazy {
+    private val i: Int by lazy {
         val a = 1 + 2
         val b = a * 2
         b

idea/testData/refactoring/introduceProperty/extractLazyToClass.kt.after

@@ -1,12 +1,10 @@
-import kotlin.properties.Delegates
-
 // WITH_RUNTIME
 // EXTRACTION_TARGET: lazy property
 
 class A(val n: Int = 1) {
     val m: Int = 2
 
-    private val i: Int by Delegates.lazy {
+    private val i: Int by lazy {
         m + n + 1
     }
 

idea/testData/refactoring/introduceProperty/extractLazyToFile.kt.after

@@ -1,14 +1,12 @@
-import kotlin.properties.Delegates
-
 // WITH_RUNTIME
 // EXTRACTION_TARGET: lazy property
 
 val n: Int = 1
 
-private val i: Int by Delegates.lazy {
+private val i: Int by lazy {
     n + 1
 }
 
 fun foo(): Int {
     return i
-}
+}

idea/testData/refactoring/introduceProperty/extractLazyWithBlock.kt.after

@@ -1,12 +1,10 @@
-import kotlin.properties.Delegates
-
 // WITH_RUNTIME
 // EXTRACTION_TARGET: lazy property
 
 class A(val n: Int = 1) {
     val m: Int = 2
 
-    private val i: Int by Delegates.lazy {
+    private val i: Int by lazy {
         println(n)
         m + n + 1
     }