NOISSUE redo the launcher part

depends/launcher/org/multimc/Utils.java

@@ -34,110 +34,6 @@ import java.util.zip.ZipFile;
 
 public class Utils
 {
-	/**
-	 * Combine two parts of a path.
-	 *
-	 * @param path1
-	 * @param path2
-	 * @return the paths, combined
-	 */
-	public static String combine(String path1, String path2)
-	{
-		File file1 = new File(path1);
-		File file2 = new File(file1, path2);
-		return file2.getPath();
-	}
-
-	/**
-	 * Join a list of strings into a string using a separator!
-	 *
-	 * @param strings   the string list to join
-	 * @param separator the glue
-	 * @return the result.
-	 */
-	public static String join(List<String> strings, String separator)
-	{
-		StringBuilder sb = new StringBuilder();
-		String sep = "";
-		for (String s : strings)
-		{
-			sb.append(sep).append(s);
-			sep = separator;
-		}
-		return sb.toString();
-	}
-
-	/**
-	 * Adds the specified library to the classpath
-	 *
-	 * @param s the path to add
-	 * @throws Exception
-	 */
-	public static void addToClassPath(String s) throws Exception
-	{
-		File f = new File(s);
-		URL u = f.toURI().toURL();
-		URLClassLoader urlClassLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
-		Class urlClass = URLClassLoader.class;
-		Method method = urlClass.getDeclaredMethod("addURL", new Class[]{URL.class});
-		method.setAccessible(true);
-		method.invoke(urlClassLoader, new Object[]{u});
-	}
-
-	/**
-	 * Adds many libraries to the classpath
-	 *
-	 * @param jars the paths to add
-	 */
-	public static boolean addToClassPath(List<String> jars)
-	{
-		boolean pure = true;
-		// initialize the class path
-		for (String jar : jars)
-		{
-			try
-			{
-				Utils.addToClassPath(jar);
-			} catch (Exception e)
-			{
-				System.err.println("Unable to load: " + jar);
-				e.printStackTrace(System.err);
-				pure = false;
-			}
-		}
-		return pure;
-	}
-
-	/**
-	 * Adds the specified path to the java library path
-	 *
-	 * @param pathToAdd the path to add
-	 * @throws Exception
-	 */
-	@Deprecated
-	public static void addLibraryPath(String pathToAdd) throws Exception
-	{
-		final Field usrPathsField = ClassLoader.class.getDeclaredField("usr_paths");
-		usrPathsField.setAccessible(true);
-
-		//get array of paths
-		final String[] paths = (String[]) usrPathsField.get(null);
-
-		//check if the path to add is already present
-		for (String path : paths)
-		{
-			if (path.equals(pathToAdd))
-			{
-				return;
-			}
-		}
-
-		//add the new path
-		final String[] newPaths = Arrays.copyOf(paths, paths.length + 1);
-		newPaths[newPaths.length - 1] = pathToAdd;
-		usrPathsField.set(null, newPaths);
-	}
-
 	/**
 	 * Finds a field that looks like a Minecraft base folder in a supplied class
 	 *