Switch tests for default lambda inlining on language level 1.2

compiler/testData/codegen/boxInline/reified/defaultLambda/nested2Static.kt

@@ -1,9 +1,9 @@
 // FILE: 1.kt
+// LANGUAGE_VERSION: 1.2
 // SKIP_INLINE_CHECK_IN: inlineFun$default
 //WITH_RUNTIME
 package test
 
-@Suppress("NOT_YET_SUPPORTED_IN_INLINE")
 inline fun <reified T> inlineFun(crossinline lambda: () -> String = { { T::class.java.simpleName } () }): String {
     return {
         lambda()