Replace all occurrences of WITH_RUNTIME with WITH_STDLIB

We are going to deprecate `WITH_RUNTIME` directive. The main reason
behind this change is that `WITH_STDLIB` directive better describes
its meaning, specifically it will add kotlin stdlib to test's classpath.

compiler/testData/codegen/box/objects/compoundAssignmentToArrayAccessToExtensionPropertyImportedFromObject.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import Host.x
 

compiler/testData/codegen/box/objects/compoundAssignmentToArrayAccessToPropertyImportedFromObject.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import Host.x
 

compiler/testData/codegen/box/objects/interfaceCompanionObjectReference.kt

@@ -1,5 +1,5 @@
 // !LANGUAGE: +NestedClassesInAnnotations
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import kotlin.test.*
 

compiler/testData/codegen/box/objects/kt32351.kt

@@ -1,7 +1,7 @@
 // IGNORE_BACKEND: JVM
 // IGNORE_BACKEND: WASM
 // WASM_MUTE_REASON: UNKNOWN
-// WITH_RUNTIME
+// WITH_STDLIB
 
 interface Runnable {
     fun run()

compiler/testData/codegen/box/objects/kt3238.kt

@@ -4,7 +4,7 @@
 // IGNORE_BACKEND: JS_IR_ES6
 // TODO: muted automatically, investigate should it be ran for JS or not
 // IGNORE_BACKEND: JS, NATIVE
-// WITH_RUNTIME
+// WITH_STDLIB
 
 object Obj {
     class Inner() {

compiler/testData/codegen/box/objects/kt32749.kt

@@ -1,5 +1,5 @@
 // IGNORE_BACKEND: JVM
-// WITH_RUNTIME
+// WITH_STDLIB
 
 class X {
     val num = 42

compiler/testData/codegen/box/objects/kt42758.kt

@@ -1,6 +1,6 @@
 // TARGET_BACKEND: JVM
 // FULL_JDK
-// WITH_RUNTIME
+// WITH_STDLIB
 
 import java.io.*