Removed smoke tags from *SearchCriteriaTest test cases

Those tests are not actually smoke in that they validate advanced API
features. In anticipation for Ia2a5b9cc535c7c46728eee6284a36340745e9043
that will make grenade gate to trigger all smoke tests, including those
tagged in neutron tree, it's safer to remove the tags.

Change-Id: I3254de3499472d5ce65154e6115ce030ccd23b70
5 files changed
tree: 9f7290ef54a0ddf7122ef4db553f806cddf81fc7
  1. neutron/