Switch tests for default lambda inlining on language level 1.2

compiler/testData/codegen/boxInline/defaultValues/lambdaInlining/instanceCapuredInClass.kt

@@ -1,10 +1,10 @@
 // FILE: 1.kt
+// LANGUAGE_VERSION: 1.2
 // SKIP_INLINE_CHECK_IN: inlineFun$default
 package test
 
 class A(val value: String) {
 
-    @Suppress("NOT_YET_SUPPORTED_IN_INLINE")
     inline fun inlineFun(lambda: () -> String = { value }): String {
         return lambda()
     }