Rename FP6 (Elite) Presets

[Wolfgang ([ Win10, PL+VP+FP, Nik7 / 3.3 ])]

@LJClark

I really only got the program to replace SilverEfex, since the latest version of Nik Collection doesn’t work with PS CS6.

→ Issues with Nik4 - #8 by Wolfgang and further links