Remove keypairs from test_instance_group.py

A bunch of functional tests are skipped now because of keypair
absence. But actually keyname/KeyName may be removed from templates
because these tests create not an actual server (they are using
RandomString resource).

Change-Id: I306b76fb38e8a4b84e0b2d815bddcc9545625444
Closes-Bug: #1410781
1 file changed
tree: dda6419f83e01c666ffa991a8a8135da94c75af8
  1. common/
  2. functional/
  3. scenario/