[Unison-hackers] icons directory is messy

[Greg Troxel]

See

  https://urldefense.com/v3/__https://github.com/bcpierce00/unison/pull/1163__;!!IBzWLUs!Q2ucwo_RhXlwxhqtU0vrM55NeU17sLOCm1TXB9ZI8rkV1YJWpiF2JKiQytCyYekph2Afg9ioKPEgonpviamdXyBs$ 

for a heavy-handed cleanup.


See

  https://urldefense.com/v3/__https://github.com/bcpierce00/unison/pull/1128__;!!IBzWLUs!Q2ucwo_RhXlwxhqtU0vrM55NeU17sLOCm1TXB9ZI8rkV1YJWpiF2JKiQytCyYekph2Afg9ioKPEgonpviStHUWH7$ 

for the desktop file PR, which is in need of an icon, for some
background.