Remove some incompatible colors from ~/.dircolors

Don't seem to work on 4.1:

    dircolors: `/home/tom/.dircolors':13: unrecognized keyword RESET
    dircolors: `/home/tom/.dircolors':16: unrecognized keyword
        MULTIHARDLINK
    dircolors: `/home/tom/.dircolors':23: unrecognized keyword SETUID
    dircolors: `/home/tom/.dircolors':24: unrecognized keyword SETGID
    dircolors: `/home/tom/.dircolors':25: unrecognized keyword
        CAPABILITY
    dircolors: `/home/tom/.dircolors':26: unrecognized keyword
        STICKY_OTHER_WRITABLE
    dircolors: `/home/tom/.dircolors':27: unrecognized keyword
        OTHER_WRITABLE
    dircolors: `/home/tom/.dircolors':28: unrecognized keyword STICKY