Revert accidental addition of getAbsentValue() override

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/deser/std/ReferenceTypeDeserializer.java

@@ -126,10 +126,12 @@ public Object getEmptyValue(DeserializationContext ctxt) throws JsonMappingExcep
         return getNullValue(ctxt);
     }
 
-    @Override
-    public Object getAbsentValue(DeserializationContext ctxt) throws JsonMappingException {
-        return null;
-    }
+    // 02-Sep-2021, tatu: Related to [databind#3214] we may want to add this... but
+    //    with 2.13.0 so close will not yet do that, but wait for 2.14
+//    @Override
+//    public Object getAbsentValue(DeserializationContext ctxt) throws JsonMappingException {
+//        return null;
+//    }
 
     public abstract T referenceValue(Object contents);