Remove duplicate check for self.cdata_elem

This was already checked in the line above

Author: muglug

Lib/html/parser.py

@@ -243,7 +243,7 @@ def goahead(self, end):
                 assert 0, "interesting.search() lied"
         # end while
         if end and i < n and not self.cdata_elem:
-            if self.convert_charrefs and not self.cdata_elem:
+            if self.convert_charrefs:
                 self.handle_data(unescape(rawdata[i:n]))
             else:
                 self.handle_data(rawdata[i:n])