[Tests] Remove unnecessary usages of OPTIONAL_JVM_INLINE_ANNOTATION

Signed-off-by: Evgeniy.Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>

#KT-1179

compiler/testData/codegen/box/inlineClasses/inlineToString.kt

@@ -1,6 +1,5 @@
 // TARGET_BACKEND: JVM_IR
 // WITH_STDLIB
-// WORKS_WHEN_VALUE_CLASS
 // LANGUAGE: +ValueClasses
 
 import kotlin.jvm.JvmInline
@@ -9,7 +8,7 @@ open class Expando {
     val expansion: Expansion = Expansion()
 }
 
-OPTIONAL_JVM_INLINE_ANNOTATION
+@JvmInline
 value class Expansion(val map: MutableMap<String, Any?> = mutableMapOf()) {
     override inline fun toString(): String = "OK"
 }