[STDLIB] 1/2 Drop AllowDifferentMembersInActual from stdlib

^KT-62656 Fixed

I blindly converted all `@AllowDifferentMembersInActual` to suppresses.
But some suppresses in stdlib are redundant. I'm too lazy properly
annotate only the necessary places. All these suppresses will go away
after the bootstrap update anyway

I drop allowDifferentMembersInActual_class and
allowDifferentMembersInActual_typealias tests because their only purpose
was to check that `@AllowDifferentMembersInActual` works as expected

Note: some tests are failing in the compiler because of that. I will fix
them in the next commit

libraries/stdlib/api/js/kotlin.kt

@@ -846,15 +846,6 @@ public inline fun kotlin.Short.toUShort(): kotlin.UShort
 @kotlin.internal.InlineOnly
 public inline fun <T : kotlin.AutoCloseable?, R> T.use(block: (T) -> R): R
 
-@kotlin.annotation.Retention(value = AnnotationRetention.SOURCE)
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS, AnnotationTarget.TYPEALIAS})
-@kotlin.annotation.MustBeDocumented
-@kotlin.ExperimentalMultiplatform
-@kotlin.SinceKotlin(version = "1.9")
-public final annotation class AllowDifferentMembersInActual : kotlin.Annotation {
-    public constructor AllowDifferentMembersInActual()
-}
-
 public interface Annotation {
 }