Remove redundant metainfo in ILog

The following discussion from !2723 (merged) should be addressed:

@mbouaziz started a discussion: (+1 comment)

(not important)

Given that the kinfo of ILog is always the same as the one of its continuation, should we get rid the first field of ILog?

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information