Update build script and remove redundant file

build.cmd

@@ -103,7 +103,6 @@ EXIT /B %ERRORLEVEL%
   ECHO * Copying Files
   ECHO ************************
   COPY /Y scripts\ramdisk_patch.sh zip_static\common\ramdisk_patch.sh
-  COPY /Y scripts\magisksu.sh zip_static\common\magisksu.sh
   COPY /Y scripts\init.magisk.rc zip_static\common\init.magisk.rc
   COPY /Y binaries\busybox-arm zip_static\arm\busybox
   COPY /Y binaries\busybox-arm64 zip_static\arm64\busybox

build.sh

@@ -76,7 +76,6 @@ zip_package() {
   echo "* Copying files"
   echo "************************"
   cp -afv scripts/ramdisk_patch.sh zip_static/common/ramdisk_patch.sh
-  cp -afv scripts/magisksu.sh zip_static/common/magisksu.sh
   cp -afv scripts/init.magisk.rc zip_static/common/init.magisk.rc
   cp -afv binaries/busybox-arm zip_static/arm/busybox
   cp -afv binaries/busybox-arm64 zip_static/arm64/busybox

scripts/magisksu.sh

@@ -1,28 +0,0 @@
-#!/system/bin/sh
-
-MODDIR=${0%/*}
-LOGFILE=/cache/magisk.log
-
-log_print() {
-  echo "MagiskSU: $1"
-  echo "MagiskSU: $1" >> $LOGFILE
-  log -p i -t Magisk "MagiskSU: $1"
-}
-
-log_print "Moving and linking /sbin binaries"
-mount -o rw,remount rootfs /
-cp -af /sbin /sbin_orig
-mount -o ro,remount rootfs /
-
-log_print "Exposing su binary"
-rm -rf /magisk/.core/bin $MODDIR/sbin_bind
-mkdir -p $MODDIR/sbin_bind
-ln -s /sbin_orig/* $MODDIR/sbin_bind
-chcon -h u:object_r:rootfs:s0 $MODDIR/sbin_bind/*
-chmod 755 $MODDIR/sbin_bind
-ln -s $MODDIR/su $MODDIR/sbin_bind/su
-ln -s /data/magisk/magiskpolicy $MODDIR/sbin_bind/magiskpolicy
-mount -o bind $MODDIR/sbin_bind /sbin
-
-log_print "Starting su daemon"
-/sbin/su --daemon