SP-21987: Add healthz method

Author: GubinAlexander

regula/documentreader/webclient/ext/api/document_reader_api.py

@@ -34,9 +34,6 @@ def set_configuration(self, configuration) -> None:
     def process(self, process_request: ProcessRequest) -> RecognitionResponse:
         return RecognitionResponse(self.api_process(process_request))
 
-    def healthz(self, **kwargs):
-        return super().healthz(**kwargs)
-
     def deserialize_to_recognition_response(self, content: Union[bytes, bytearray, str]) -> RecognitionResponse:
         response = self.__to_response_object(content)
         response = self.api_client.deserialize(response, ProcessResponse)