Update replace.py (#1121)

replace '/#' with '#'
which applies to sections in markdown pages, mainly our internal wiki links

.github/replace.py

@@ -96,6 +96,7 @@ def replace_urls(text):
     text = remove_backtowiki_toc(text)
     text = replace_pages(text)
     text = reformat_subsections(text)
+    text = re.sub('/#', '#', text)
     text = general(text)
     text = individual(text)
     return text