Revert "ksud/installer: /odm handling (tiann#2513)"

This reverts commit fd6f839.

Author: selfmusing

kernel/core_hook.c

@@ -605,7 +605,6 @@ int ksu_handle_setuid(struct cred *new, const struct cred *old)
 
 	// fixme: use `collect_mounts` and `iterate_mount` to iterate all mountpoint and
 	// filter the mountpoint whose target is `/data/adb`
-	try_umount("/odm", true, 0);
 	try_umount("/system", true, 0);
 	try_umount("/vendor", true, 0);
 	try_umount("/product", true, 0);

userspace/ksud/src/installer.sh

@@ -309,8 +309,7 @@ handle_partition() {
         return;
     fi
 
-    # we move the folder to / only if it is a native folder that is not a symlink
-    if [ -d "/$1" ] && [ ! -L "/$1" ]; then
+    if [ -L "/system/$1" ] && [ "$(readlink -f /system/$1)" = "/$1" ]; then
         ui_print "- Handle partition /$1"
         # we create a symlink if module want to access $MODPATH/system/$1
         # but it doesn't always work(ie. write it in post-fs-data.sh would fail because it is readonly)
@@ -407,7 +406,6 @@ install_module() {
   handle_partition vendor
   handle_partition system_ext
   handle_partition product
-  handle_partition odm
 
   if $BOOTMODE; then
     mktouch $NVBASE/modules/$MODID/update