fix: remove LazyList._empty from the init checker

That `private` field was removed from `scala.collection.immutable.LazyList` in 3a84ff3

Author: hamzaremmal

compiler/src/dotty/tools/dotc/transform/init/Objects.scala

@@ -74,13 +74,11 @@ class Objects(using Context @constructorOnly):
   val MapNode_EmptyMapNode: Symbol = immutableMapNode.requiredValue("EmptyMapNode")
   val immutableHashMap: Symbol = requiredModule("scala.collection.immutable.HashMap")
   val HashMap_EmptyMap: Symbol = immutableHashMap.requiredValue("EmptyMap")
-  val immutableLazyList: Symbol = requiredModule("scala.collection.immutable.LazyList")
-  val LazyList_empty: Symbol = immutableLazyList.requiredValue("_empty")
   val ManifestFactory_ObjectTYPE = defn.ManifestFactoryModule.requiredValue("ObjectTYPE")
   val ManifestFactory_NothingTYPE = defn.ManifestFactoryModule.requiredValue("NothingTYPE")
   val ManifestFactory_NullTYPE = defn.ManifestFactoryModule.requiredValue("NullTYPE")
 
-  val allowList: Set[Symbol] = Set(SetNode_EmptySetNode, HashSet_EmptySet, Vector_EmptyIterator, MapNode_EmptyMapNode, HashMap_EmptyMap, LazyList_empty,
+  val allowList: Set[Symbol] = Set(SetNode_EmptySetNode, HashSet_EmptySet, Vector_EmptyIterator, MapNode_EmptyMapNode, HashMap_EmptyMap,
     ManifestFactory_ObjectTYPE, ManifestFactory_NothingTYPE, ManifestFactory_NullTYPE)
 
   // ----------------------------- abstract domain -----------------------------