[gitlab-ci] Remove docker related include line

The v2 version does not need docker to be tested.
4 jobs for 184_basic_toolchain_preview in 16 minutes and 36 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #174488
docker
build_linux_36

00:10:28

passed #174489
docker
build_linux_37

00:11:40

passed #174486
macosx
build_macosx_36

00:16:36

passed #174487
macosx
build_macosx_37

00:16:21