Remove unnesessary fix for testr

As far community replace testr on stestr in tempest 18
we should remove fix for testr skip mechanism and replace in
run-tempest.sh call of testr on stestr

Change-Id: I0864da097e29273142393ba55f88c1346c222573
Related-Prod: PROD-22874 PROD-23315
4 files changed
tree: 862c708fff8e98ff07b52218d3cfe82f2c19b508
  1. bin/
  2. .gitreview
  3. Dockerfile
  4. README.rst