Log Message:
jwm: update to 2.4.2.

pkgsrc changes:
- switch MASTER_SITES to github per upstream HOMEPAGE
- remove a patch fixed in upstream #556

Upstream changes:
 https://github.com/joewing/jwm/releases/tag/v2.4.2

v2.4.2

What's Changed

  * Add nomaxtitle group option by @JCallicoat in #557
  * Add backandforth attribute to Desktops tag by @JCallicoat in #558
  * Updated pt_BR.po language for the JWM. by @marcelocripe in #559
  * Update Portuguese (pt.po) translation by @hugok79 in #561
  * Bugfix/nls fix translation installation, closes #565 #564 #556 by @01micko
    in #566
  * Update pl.po by @Faalagorn in #567
  * Fix an issue with dynamic configuration generation #563

New Contributors

  * @JCallicoat made their first contribution in #557
  * @01micko made their first contribution in #566
  * @Faalagorn made their first contribution in #567