[IR] Drop IrErrorCallExpressionImpl.addArgument

It was a remnant from the original IR implementation.

#KT-65773 In Progress

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/IrBodyDeserializer.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -351,7 +351,7 @@ class IrBodyDeserializer(
                 explicitReceiver = deserializeExpression(proto.receiver)
             }
             proto.valueArgumentList.forEach {
-                addArgument(deserializeExpression(it))
+                arguments.add(deserializeExpression(it))
             }
         }