[IR] Autogenerate IrFieldImpl

^KT-65773 In Progress

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/ImplementationConfigurator.kt

@@ -49,7 +49,7 @@ object ImplementationConfigurator : AbstractIrTreeImplementationConfigurator() {
         }
 
         impl(field) {
-            implementation.doPrint = false
+            defaultNull("initializer", "correspondingPropertySymbol")
         }
 
         impl(property) {