code: def strip_lastharaka(text):
      
      if text:
          if is_vocalized(text):
              return re.sub(LASTHARAKA_PATTERN, u'', text)
      return text
docs: Strip the last Haraka from arabic word except Shadda.
      The striped marks are :
          - FATHA,  DAMMA,  KASRA
          - SUKUN
          - FATHATAN,  DAMMATAN,  KASRATAN
  
      @param text: arabic text.
      @type text: unicode.
      @return: return a striped text.
      @rtype: unicode.