Remove centos_5 from docker build #1295
Description
It doesn't work:
# github.com/github/git-lfs/tools
/usr/bin/ld: unrecognized option '--build-id=none'
/usr/bin/ld: use the --help option for usage information
collect2: ld returned 1 exit status
Seems this is expected on account of go not supporting Centos 5: golang/go#9520 .
Looks like Centos 5 packages are not built anymore, or at least they aren't pushed to packagecloud, so this option could be removed from the default list for run_dockers.bsh and test_dockers.bsh.
/cc @andyneff