tools: ynl: remove trailing semicolon

Commit e8a6c515 ("tools: ynl: allow user to pass enum string
instead of scalar value") added a semicolon at the end of a line.
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240308192555.2550253-1-kuba@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

tools/net/ynl/lib/ynl.py

@@ -489,7 +489,7 @@ class YnlFamily(SpecFamily):
         except (ValueError, TypeError) as e:
             if 'enum' not in attr_spec:
                 raise e
-        return self._encode_enum(attr_spec, value);
+        return self._encode_enum(attr_spec, value)
 
     def _add_attr(self, space, name, value, search_attrs):
         try: