I173 print help doc in pdf

closes #173 (closed)

Note: the images in help document must be less than 11in/1584px in width to fit in the saved pdf document.

sohstationviewer/view/help_view.py

@@ -380,14 +380,6 @@ class HelpBrowser(QtWidgets.QWidget):
         """
         url = QtCore.QUrl.fromLocalFile(file_path)
         self.help_view.setSource(url)
-        self._set_default_pdf_file_name(file_path)
-
-    def _set_default_pdf_file_name(self, file_path: str) -> str:
-        """
-        Set the default_pdf_file_name for the current help document
-
-        :param file_path:  absolute path to a document
-        """
         file_name = file_path.split(' _ ')[1]
         file_name = "SOHViewer Help - " + file_name
         self.default_pdf_file_name = file_name.replace('.help.md', '')