[Test] Convert IGNORE: NATIVE directives in box tests from A to C

^KT-59057

Merge-request: KT-MR-10747
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

compiler/testData/codegen/box/classes/classObjectAsStaticInitializer.kt

@@ -1,5 +1,5 @@
 // IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
+// WASM_MUTE_REASON: Wrong box result 'fail2: global = AD'; Expected "OK"
 var global = "A"
 
 class C {

compiler/testData/codegen/box/classes/delegationJava.kt

@@ -1,9 +1,6 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
-// IGNORE_BACKEND: JS_IR
-// IGNORE_BACKEND: JS_IR_ES6
+// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
 // Enable for JS when it supports Java class library.
-// IGNORE_BACKEND: JS, NATIVE
 
 class TestJava(r : Runnable) : Runnable by r {}
 class TestRunnable() : Runnable {

compiler/testData/codegen/box/classes/inheritSetAndHashSet.kt

@@ -1,7 +1,7 @@
 // IGNORE_BACKEND: WASM
 // WASM_MUTE_REASON: STDLIB_COLLECTION_INHERITANCE
 // KJS_WITH_FULL_RUNTIME
-// IGNORE_BACKEND: NATIVE
+// DONT_TARGET_EXACT_BACKEND: NATIVE
 
 interface A : Set<String>
 

compiler/testData/codegen/box/classes/kt1120.kt

@@ -1,10 +1,6 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
-// IGNORE_BACKEND: JS_IR
-// IGNORE_BACKEND: JS_IR_ES6
-// Won't ever work with JS backend.
+// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
 // TODO: Consider rewriting this test without using threads, since the issue is not about threads at all.
-// IGNORE_BACKEND: JS, NATIVE
 
 object RefreshQueue {
     val any = Any()