code: public static void removeLibrary(String key) {
          if (key.startsWith(DicLibrary.DEFAULT)) {
              DicLibrary.remove(key);
          } else if (key.startsWith(StopLibrary.DEFAULT)) {
              StopLibrary.remove(key);
          } else if (key.startsWith(SynonymsLibrary.DEFAULT)) {
              SynonymsLibrary.remove(key);
          } else if (key.startsWith(AmbiguityLibrary.DEFAULT)) {
              AmbiguityLibrary.remove(key);
          } else if (key.startsWith(CrfLibrary.DEFAULT)) {
              CrfLibrary.remove(key);
          } else {
              throw new LibraryException(key + " type err must start with dic,stop,ambiguity,synonyms");
          }
          ENV.remove(key);
      }
docs: 删除一个词典
  
  @param key