[JS IR] Don't mark Char as a value class

Char will still be treated as a value class
(see JsInlineClassesUtils.kt)

libraries/stdlib/api/js-v1/kotlin.kt

@@ -1064,7 +1064,7 @@ public final class ByteArray {
     public final operator fun set(index: kotlin.Int, value: kotlin.Byte): kotlin.Unit
 }
 
-/*∆*/ public final class Char : kotlin.Comparable<kotlin.Char> {
+public final class Char : kotlin.Comparable<kotlin.Char> {
     public open override operator fun compareTo(other: kotlin.Char): kotlin.Int
 
     public final operator fun dec(): kotlin.Char
@@ -3231,4 +3231,4 @@ public final annotation class UseExperimental : kotlin.Annotation {
     public constructor UseExperimental(vararg markerClass: kotlin.reflect.KClass<out kotlin.Annotation>)
 
     public final val markerClass: kotlin.Array<out kotlin.reflect.KClass<out kotlin.Annotation>> { get; }
-}
+}