sepolicy: Remove deprecated domain

Change-Id: I911cf064a02ebcd8f15d048554f1cf43c938a683
diff --git a/sepolicy/vold.te b/sepolicy/vold.te
index 516bf29..1840b8c 100644
--- a/sepolicy/vold.te
+++ b/sepolicy/vold.te
@@ -16,6 +16,5 @@
 allow vold sdcard_external:file create_file_perms;
 
 # Allow vold to change context for mounted ext4 sdcard
-relabelto_domain(vold)
 allow vold labeledfs:filesystem { relabelfrom };
 allow vold sdcard_external:filesystem { relabelfrom relabelto };