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/debug/localVariables/suspend/inlineLocalsStateMachineTransform.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 // FILE: test.kt
 inline fun hasLocal(): Int {
     val x = 41

compiler/testData/debug/localVariables/suspend/localsStateMachineTransform.kt

@@ -1,6 +1,6 @@
 // The JVM backend does not have `x` visible in the locals table for the for loop at all.
 // IGNORE_BACKEND: JVM
-// WITH_RUNTIME
+// WITH_STDLIB
 
 // FILE: test.kt
 suspend fun h() { }

compiler/testData/debug/localVariables/suspend/mergeLvt.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 // FILE: test.kt
 
 import kotlin.coroutines.intrinsics.*

compiler/testData/debug/localVariables/suspend/simple.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 // FILE: test.kt
 
 suspend fun box() {

compiler/testData/debug/localVariables/suspend/underscoreNames.kt

@@ -1,4 +1,4 @@
-// WITH_RUNTIME
+// WITH_STDLIB
 
 // FILE: test.kt
 class A {