Adapt CompileKotlinAgainstKotlin test to black box format

Rename/remove some obsolete test cases

compiler/testData/compileKotlinAgainstKotlin/multifileClassInlineFunctionAccessingProperty.kt

@@ -9,7 +9,6 @@ inline fun K(body: () -> String): String =
 
 // FILE: B.kt
 
-fun main(args: Array<String>) {
-    val ok = K { "O" }
-    if (ok != "OK") throw java.lang.AssertionError("Expected: OK, actual: $ok")
+fun box(): String {
+    return K { "O" }
 }