Remove an existing local conda before creating a new one in CI
Description
This MR fixes another problem caused by gitlab-ci not presenting a pristine working directory, e.g. https://git.ligo.org/lscsoft/lalsuite/-/jobs/1805919. I hate that guy.
API Changes and Justification
Backwards Compatible Changes
-
This change introduces no API changes -
This change adds new API calls
Backwards Incompatible Changes
-
This change modifies an existing API -
This change removes an existing API
If any of the Backwards Incompatible check boxes are ticked please provide a justification why this change is necessary and why it needs to be done in a backwards incompatible way.
Review Status
Please provide details on any reviews related to this change and and the associated reviewers.