Deprecate KPackage, to be removed later

compiler/testData/codegen/boxWithStdlib/reflection/methodsFromAny/defaultPackageToString.kt

@@ -1,8 +0,0 @@
-import kotlin.test.*
-import kotlin.reflect.jvm.kotlinPackage
-
-fun box(): String {
-    val p = Class.forName("_DefaultPackage").kotlinPackage
-    if ("$p" != "package <default>") return "Fail: $p"
-    return "OK"
-}

compiler/testData/codegen/boxWithStdlib/reflection/methodsFromAny/packageToString.kt

@@ -1,10 +0,0 @@
-package test.foo.bar
-
-import kotlin.test.*
-import kotlin.reflect.jvm.kotlinPackage
-
-fun box(): String {
-    val p = Class.forName("test.foo.bar.BarPackage").kotlinPackage
-    if ("$p" != "package test.foo.bar") return "Fail: $p"
-    return "OK"
-}