Remove workflow file that installs TARDIS using conda

[atharva-2001]

📝 Description

🎢 infrastructure

Now that we install tardis using lockfiles, this pull request removes the workflow files that tests conda/mamba install and sends messages weekly to the ci-cd channel.

📌 Resources

Examples, notebooks, and links to useful references.

🚦 Testing

How did you test these changes?

• Testing pipeline
• Other method (describe)
• My changes can't be tested (explain why)

☑️ Checklist

• I requested two reviewers for this pull request
• I updated the documentation according to my changes
• I built the documentation by applying the build_docs label

Note: If you are not allowed to perform any of these actions, ping (@) a contributor.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3dfcb52) 68.46% compared to head (40e95a8) 68.46%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2506   +/-   ##
=======================================
  Coverage   68.46%   68.46%           
=======================================
  Files         159      159           
  Lines       13719    13719           
=======================================
  Hits         9393     9393           
  Misses       4326     4326           

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