markdown: remove smart_strong as it's a default behaviour now

rhodecode/lib/markdown_ext.py

@@ -24,7 +24,6 b' import xml.etree.ElementTree as etree'
 
 from markdown.extensions import Extension
 from markdown.extensions.fenced_code import FencedCodeExtension
-from markdown.extensions.smart_strong import SmartEmphasisExtension
 from markdown.extensions.tables import TableExtension
 from markdown.inlinepatterns import Pattern
 
@@ -121,7 +120,6 b' class GithubFlavoredMarkdownExtension(Ex'
         # Built-in extensions
         Nl2BrExtension().extendMarkdown(md, md_globals)
         FencedCodeExtension().extendMarkdown(md, md_globals)
-        SmartEmphasisExtension().extendMarkdown(md, md_globals)
         TableExtension().extendMarkdown(md, md_globals)
 
         # Custom extensions