Revert "Strictly check for SELinux labelling errors"

This reverts commit 2ef4e85448df5767b98e0d1dc793b7805249393f.

Reason for revert: b/271157681

Change-Id: I7224fd68027e2e9824694171547b8b2c808f9923
diff --git a/main.cpp b/main.cpp
index 078ee14..b07ee68 100644
--- a/main.cpp
+++ b/main.cpp
@@ -82,11 +82,9 @@
     parse_args(argc, argv);
 
     sehandle = selinux_android_file_context_handle();
-    if (!sehandle) {
-        LOG(ERROR) << "Failed to get SELinux file contexts handle";
-        exit(1);
+    if (sehandle) {
+        selinux_android_set_sehandle(sehandle);
     }
-    selinux_android_set_sehandle(sehandle);
 
     mkdir("/dev/block/vold", 0755);