Undeprecate VariableDescriptorWithAccessors.isDelegated

Apparently there's quite a few valid usages of this method outside of
the compiler frontend, where manual suppression is annoying.

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/cir/factory/CirPropertyFactory.kt

@@ -5,7 +5,10 @@
 
 package org.jetbrains.kotlin.descriptors.commonizer.cir.factory
 
-import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
+import org.jetbrains.kotlin.descriptors.Modality
+import org.jetbrains.kotlin.descriptors.PropertyDescriptor
+import org.jetbrains.kotlin.descriptors.Visibility
 import org.jetbrains.kotlin.descriptors.commonizer.cir.*
 import org.jetbrains.kotlin.descriptors.commonizer.cir.impl.CirPropertyImpl
 import org.jetbrains.kotlin.descriptors.commonizer.utils.checkConstantSupportedInCommonization
@@ -38,7 +41,7 @@ object CirPropertyFactory {
             isVar = source.isVar,
             isLateInit = source.isLateInit,
             isConst = source.isConst,
-            isDelegate = @Suppress("DEPRECATION") source.isDelegated,
+            isDelegate = source.isDelegated,
             getter = source.getter?.let(CirPropertyGetterFactory::create),
             setter = source.setter?.let(CirPropertySetterFactory::create),
             backingFieldAnnotations = source.backingField?.annotations?.map(CirAnnotationFactory::create),

native/commonizer/tests/org/jetbrains/kotlin/descriptors/commonizer/utils/ComparingDeclarationsVisitor.kt

@@ -333,7 +333,6 @@ internal class ComparingDeclarationsVisitor(
             // see org.jetbrains.kotlin.resolve.DelegationResolver
         } */
 
-        @Suppress("DEPRECATION")
         context.assertFieldsEqual(expected::isDelegated, actual::isDelegated)
 
         visitAnnotations(