Network removal cleanup (#92)

* Reduce requirements.

* Remove unit test group 2.

* Reduce to four sanity groups.

* Fix paths.

tests/utils/shippable/units.sh

@@ -15,80 +15,11 @@ else
 fi
 
 group1=()
-group2=()
-group3=()
-
-# create two groups by putting network tests into another group
-# add or remove network platforms as needed to balance the groups
-
-networks2=(
-    aireos
-    apconos
-    aruba
-    asa
-    avi
-    check_point
-    cloudengine
-    cloudvision
-    cnos
-    cumulus
-    dellos10
-    dellos6
-    dellos9
-    edgeos
-    edgeswitch
-    enos
-    eos
-    eric_eccli
-    exos
-    f5
-    fortimanager
-    frr
-    ftd
-    icx
-    ingate
-    ios
-    iosxr
-    ironware
-    itential
-    junos
-    netact
-    netscaler
-    netvisor
-    nos
-    nso
-    nuage
-    nxos
-    onyx
-    opx
-    ovs
-    radware
-    routeros
-    slxos
-    voss
-    vyos
-)
-
-for network in "${networks2[@]}"; do
-    test_path="tests/unit/modules/network/${network}/"
-
-    if [ -d "${test_path}" ]; then
-        group1+=(--exclude "${test_path}")
-        group2+=("${test_path}")
-    fi
-done
 
 case "${group}" in
     1) options=("${group1[@]:+${group1[@]}}") ;;
-    2) options=("${group2[@]:+${group2[@]}}") ;;
 esac
 
-if [ ${#options[@]} -eq 0 ] && [ "${group}" -gt 1 ]; then
-    # allow collection migration unit tests for groups other than 1 to "pass" without updating shippable.yml or this script during migration
-    echo "No unit tests found for group ${group}."
-    exit
-fi
-
 ansible-test env --timeout "${timeout}" --color -v
 
 # shellcheck disable=SC2086