remove stock tags from markdown

now it just adds new tags instead of replicating the default behaviour of the clients

stdplugins/markdown.py

@@ -65,18 +65,10 @@ def parse_snip(m):
     return m.group(1), None
 
 
-PARSED_ENTITIES = (
-    MessageEntityBold, MessageEntityItalic, MessageEntityCode,
-    MessageEntityPre, MessageEntityTextUrl
-)
 # A matcher is a tuple of (regex pattern, parse function)
 # where the parse function takes the match and returns (text, entity)
 MATCHERS = [
     (DEFAULT_URL_RE, parse_url_match),
-    (get_tag_parser('**', MessageEntityBold)),
-    (get_tag_parser('__', MessageEntityItalic)),
-    (get_tag_parser('```', partial(MessageEntityPre, language=''))),
-    (get_tag_parser('`', MessageEntityCode)),
     (re.compile(r'\+\+(.+?)\+\+'), parse_aesthetics),
     (re.compile(r'([^/\w]|^)(/?(r/\w+))'), parse_subreddit),
     (re.compile(r'(!\w+)'), parse_snip)