remove AI comment

Author: alexaka1

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java

@@ -848,9 +848,6 @@ protected void patchProperty(Map<String, CodegenModel> enumRefs, CodegenModel mo
             property.isFloat = refModel.isFloat;
             property.isDouble = refModel.isDouble;
             property.isDecimal = refModel.isDecimal;
-            // Note: do NOT propagate isString here. String enum properties
-            // are handled through the isEnum template path, not the isString path.
-            // Setting isString would cause duplicate write statements in anyOf models.
         }
 
         this.patchPropertyIsInherited(model, property);