Switch tests for default lambda inlining on language level 1.2

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

@@ -1,8 +1,8 @@
 // FILE: 1.kt
+// LANGUAGE_VERSION: 1.2
 // SKIP_INLINE_CHECK_IN: inlineFun$default
 package test
 
-@Suppress("NOT_YET_SUPPORTED_IN_INLINE")
 inline fun inlineFun(lambda: () -> String = { "OK" }): String {
     return lambda()
 }