Remove unused variable and move variable sPermittedLineLength to class

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Random;

import java.util.TimeZone;

/**

 */

public class IcalendarUtils {

    public static int sPermittedLineLength = 75; // Line length mandated by iCalendar format

    private static final Random tempFileRandom = new Random();

    private static final String INVITE_FILE_NAME = "invite";

    public static String uncleanseString(CharSequence sequence) {

     * @return

     */

    public static StringBuilder enforceICalLineLength(StringBuilder input) {

        final int sPermittedLineLength = 75; // Line length mandated by iCalendar format

        if (input == null) return null;

        StringBuilder output = new StringBuilder();

        int length = input.length();