I actually know what you are talking about. Normally, what would happen, is the report itself would be...
NOTE: this is completely my thoughts, and is no way proven, only based on observations.
I think this was actually purposely removed. There are many reasons why this could have been removed. I personally believe that the reports, although still counting towards reports to bring them to the tribunal, they are left blank to preserve anonymity. If this is a case, Inappropriate name reports likely go into a pool, where a group of Riot staff themselves look over the names, and deem appropriate or not, which likely effects their case with a large push towards Punish if it isn't appropriate.
This has no basis, other than the fact that I used to see it showing up, and it just randomly stopped...
(and if they don't yet have a similar set up to this... guess who just came up with an idea!!!!)