40network: Don't include 40network by default
    
    commit 7347391 ('network-legacy: split off from network module')
    splitted network function to network-legacy and removed check() function
    of 40network. This caused 40network to be included even if network is
    not needed.
    
    Signed-off-by: Kairui Song <kasong@redhat.com>
    
    Cherry-picked from: 83cbc06ab91288e2d931b4f36935bfdb79a99b0e
    Resolves: #1639088
    
    patch_name: 0004.patch
    present_in_specfile: true
    location_in_specfile: 4
    squash_commits: true