removed already implemented todos in parser

parse-md.py

@@ -254,14 +254,12 @@ class MarkdownBlogParser:
         # we have a table! how exciting!
         if self.startswith('|'):
             # skip headers
-            # TODO: validate headers
             headers, span = self.read_until('\n')
             headers = headers.split('|')
             if not len(headers) == 4:
                 raise ParseError("Expected table header here (like '|Category | Rating / Score |'", span.transform(end=-1))
             table_name = to_json_field_name(headers[2])
             # skip alignment col
-            # TODO: validate alignment col
             line, span = self.read_until('\n')
             if not len(line.split('|')) == len(headers):
                 raise ParseError("Alignment row seems invalid, must contain the same number of '|' as headers!", span.transform(end=-1))