[K/N] Updated deprecations for native atomics

* Removed deprecated methods from the new atomics in kotlin.concurrent
* Changed deprecation level from WARNING to ERROR for the old atomics in kotlin.native.concurrent
* Removed FreezingIsDeprecated annotation from kotlin.concurrent.AtomicReference

See KT-58123

Merge-request: KT-MR-10650
Merged-by: Maria Sokolova <maria.sokolova@jetbrains.com>

kotlin-native/backend.native/tests/interop/objc/kt56402/main.kt

@@ -6,6 +6,7 @@
 
 import objclib.*
 
+import kotlin.concurrent.AtomicInt
 import kotlin.native.concurrent.*
 import kotlin.native.internal.test.testLauncherEntryPoint
 import kotlin.system.exitProcess

kotlin-native/backend.native/tests/interop/objc/tests/workerAutoreleasePool.kt

@@ -1,5 +1,6 @@
 @file:OptIn(FreezingIsDeprecated::class, ObsoleteWorkersApi::class)
 
+import kotlin.concurrent.AtomicReference
 import kotlin.native.concurrent.*
 import kotlinx.cinterop.*
 import kotlin.test.*