Get rid of deprecated annotations in testData

compiler/testData/codegen/boxWithStdlib/reflection/kClassInAnnotation/array.kt

@@ -6,7 +6,7 @@ annotation class Ann(val args: Array<KClass<*>>)
 class O
 class K
 
-Ann(array(O::class, K::class)) class MyClass
+@Ann(array(O::class, K::class)) class MyClass
 
 fun box(): String {
     val args = javaClass<MyClass>().getAnnotation(javaClass<Ann>()).args

compiler/testData/codegen/boxWithStdlib/reflection/kClassInAnnotation/basic.kt

@@ -5,7 +5,7 @@ annotation class Ann(val arg: KClass<*>)
 
 class OK
 
-Ann(OK::class) class MyClass
+@Ann(OK::class) class MyClass
 
 fun box(): String {
     val argName = javaClass<MyClass>().getAnnotation(javaClass<Ann>()).arg.simpleName ?: "fail 1"

compiler/testData/codegen/boxWithStdlib/reflection/kClassInAnnotation/vararg.kt

@@ -6,7 +6,7 @@ annotation class Ann(vararg val args: KClass<*>)
 class O
 class K
 
-Ann(O::class, K::class) class MyClass
+@Ann(O::class, K::class) class MyClass
 
 fun box(): String {
     val args = javaClass<MyClass>().getAnnotation(javaClass<Ann>()).args