Revert "Add the sepolicy.version file to the root directory."

This reverts commit 83f646a0efdf69d84d3eb828eec74ec3881074f2.
diff --git a/target/product/embedded.mk b/target/product/embedded.mk
index a3047e3..0830101 100644
--- a/target/product/embedded.mk
+++ b/target/product/embedded.mk
@@ -72,8 +72,5 @@
     mac_permissions.xml
 
 PRODUCT_COPY_FILES += \
-    external/sepolicy/sepolicy.version:root/sepolicy.version
-
-PRODUCT_COPY_FILES += \
     system/core/rootdir/init.usb.rc:root/init.usb.rc \
     system/core/rootdir/init.trace.rc:root/init.trace.rc \