plugins: removed "maintained" for lua
rarely used plugin (unlike python plugins)
inactive
test case fails
- infos/provides =
- infos/needs =
- infos/placements = getstorage setstorage
-- infos/status = maintained unittest configurable global memleak
+- infos/status = unittest configurable global memleak
- infos/description = proxy that calls other plugins (scripts) written in lua
## Introduction
