sel-cache: Use the cache for delete and get info

Use the cached SEL data for other handlers and remove the previous
cache::paths.

Tested: Verify ipmi sel list/get/del/clear commands work fine.

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I0fc14d76eb567fb52b71a58876f006a5acf5104e
1 file changed