ports: Update to new config.sub syntax

There is no longer need to manually patch config.sub files!

ports/mpc/build.sh

@@ -4,6 +4,7 @@ NAME='mpc'
 VERSION='1.3.1'
 DOWNLOAD_URL="https://ftp.gnu.org/gnu/mpc/mpc-$VERSION.tar.gz#ab642492f5cf882b74aa0cb730cd410a81edcdbec895183ce930e706c1c759b8"
 DEPENDENCIES=('gmp' 'mpfr')
+CONFIG_SUB=('build-aux/config.sub')
 CONFIGURE_OPTIONS=(
 	"--target=$BANAN_TOOLCHAIN_TRIPLE"
 	"--with-sysroot=$BANAN_SYSROOT"

ports/mpc/patches/0001-add-banan_os-target.patch

@@ -1,13 +0,0 @@
-diff -ruN mpc-1.3.1/build-aux/config.sub mpc-1.3.1-banan_os/build-aux/config.sub
---- mpc-1.3.1/build-aux/config.sub	2022-12-08 14:23:21.000000000 +0200
-+++ mpc-1.3.1-banan_os/build-aux/config.sub	2024-08-07 22:52:40.072912471 +0300
-@@ -1748,7 +1748,8 @@
- 	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
- 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
- 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
--	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr*)
-+	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
-+	     | banan_os* )
- 		;;
- 	# This one is extra strict with allowed versions
- 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)