Drop options=(debug)/options=('debug') from trunk

devtools 20230105-1 enables the debug option by default.

A follow-up commit will remove debug from alongside other options.

PKGBUILD

@@ -12,7 +12,6 @@ url=https://invisible-island.net/ncurses/ncurses.html
 license=(MIT)
 depends=(lib32-gcc-libs lib32-glibc $_name=$pkgver)
 provides=(libncurses++w.so libformw.so libmenuw.so libpanelw.so libncursesw.so)
-options=(debug)
 source=(
   https://invisible-mirror.net/archives/$_name/$_name-$pkgver.tar.gz{,.asc}
   $_name-6.3-libs.patch