addond: Remove versioning

It doesn't make sense to keep updating this file on
every new version.

Change-Id: I865764eda559407d29364d686603b4ad80a6b445

prebuilt/common/bin/50-lineage.sh

@@ -3,7 +3,7 @@
 # ADDOND_VERSION=2
 #
 # /system/addon.d/50-lineage.sh
-# During a LineageOS 17.1 upgrade, this script backs up /system/etc/hosts,
+# During a LineageOS upgrade, this script backs up /system/etc/hosts,
 # /system is formatted and reinstalled, then the file is restored.
 #