[dependencies] Remove oset, it's not used anymore

6 jobs for remove_use_of_oset in 34 minutes and 4 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #172246
docker-build
build_linux_36

00:15:01

57.0%
passed #172191
docker-build
build_linux_37

00:11:03

57.0%
passed #172188
macosx
build_macosx_36

00:19:02

57.0%
passed #172247
macosx
build_macosx_37

00:11:13

57.0%
failed #172190
docker-build
build_linux_36

00:11:43

failed #172189
macosx
build_macosx_37

00:20:48