[Test] Convert IGNORE: NATIVE directives in box tests from M to R

^KT-59057

Merge-request: KT-MR-10757
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

compiler/testData/codegen/box/objects/kt2663_2.kt

@@ -1,9 +1,5 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
-// IGNORE_BACKEND: JS_IR
-// IGNORE_BACKEND: JS_IR_ES6
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS, NATIVE
+// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
 
 fun box() : String {
     var a = 1