code: public boolean removeDefaultToken(String name) {
  		String normalisedName = getNormalisedSessionTokenName(name);
  		Optional<HttpSessionToken> maybeToken = getDefaultToken(normalisedName);
  		if (maybeToken.isPresent()) {
  			defaultTokens.remove(maybeToken.get());
  			defaultTokensEnabled.remove(normalisedName);
  			saveDefaultTokens();
  			return true;
  		}
  		return false;
  	}
docs: Removes the default session token with the given name.
  
  @param name the name of the session token.
  @return {@code true} if the token existed, {@code false} otherwise.
  @since TODO add version