convert_md2html: fix id fields for headings

Converter adds "user-content-" to "id" fields for headings.
As a result links from TOC do not work.
Fix this for now by removing "user-content-" from the resulting html.

Signed-off-by: Mikhail Vanyulin <mikhail.vanyulin@rtsoft.de>

scripts/convert_md2html.py

@@ -223,6 +223,9 @@ def main():
 
             fout.write(HEADER)
             html = gitlab.markdown(fin.read(), True, args.project)
+            # Fix TOC links by removing "user-content-" from id fields in
+            # headings
+            fout.write(html.replace("user-content-", ""))
             fout.write(html)
             fout.write(FOOTER)