games/openrct2: update to 0.4.4

Also adds music and sound effects from OpenMusic and OpenSoundEffects repos,
removes not necessary anymore duktape-lib (bundled one is used without
making it possible to remove it), add missing libogg dependency and switch to
static pkg-plist.

Changelog: https://github.com/OpenRCT2/OpenRCT2/releases/tag/v0.4.4