fix: undo

Author: elagerho

modules/openapi-generator/src/main/resources/Java/jackson_annotations.mustache

@@ -4,7 +4,6 @@
  * If the field is required, always include it, even if it is null.
  * Else use custom behaviour, IOW use whatever is defined on the object mapper
  }}
-
   @JsonProperty(value = JSON_PROPERTY_{{nameInSnakeCase}}, required = {{required}})
   @JsonInclude({{#isMap}}{{#items.isNullable}}content = JsonInclude.Include.ALWAYS, {{/items.isNullable}}{{/isMap}}value = JsonInclude.Include.{{#required}}ALWAYS{{/required}}{{^required}}USE_DEFAULTS{{/required}})
 {{#withXml}}