cdrive: master_config: maas-part refactor

  * Misc: remove apt part - not relevant for releases 2018.5+
  * Increase salt pkg install timeout
  * With new day01|cfg01
    - maas more automated via formula
    - drop apt.conf changes - they integrated into image

Change-Id: Ib91bba6aa725191f169027773f4c48399980333d
1 file changed
tree: 296f0907e9481d143cdc832fa68a2e2231f6f7fb
  1. config-drive/
  2. mirror-image/
  3. predefine-vm/