xorriso: remove unnecessary iconv dependency (#2368)

The iconv package provides only the iconv executable which has no
use to xorriso.

Also removing the unncessary pre-configure step.

packages/xorriso/build.sh

@@ -1,13 +1,9 @@
 TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/xorriso
 TERMUX_PKG_DESCRIPTION="Tool for creating ISO files."
 TERMUX_PKG_VERSION=1.4.8
-TERMUX_PKG_REVISION=0
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://www.gnu.org/software/xorriso/xorriso-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=ec82069e04096cd9c18be9b12b87b750ade0b5e37508978feabcde36b2278481
-TERMUX_PKG_DEPENDS="iconv, libandroid-support, readline, libbz2"
+TERMUX_PKG_DEPENDS="libandroid-support, readline, libbz2"
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--disable-jtethreads"
-
-termux_step_pre_configure() {
-        LDFLAGS+=" -landroid-support"
-}