1073 Remove credentials from Population Data Download

[patricklnz]

Changes and Information

Please briefly list the changes (main added features, changed items, or corrected bugs) made:

• remove credentials

If need be, add additional information and what the reviewer should look out for in particular:

Merge Request - Guideline Checklist

Please check our git workflow. Use the draft feature if the Pull Request is not yet ready to review.

Checks by code author

• [ ] Every addressed issue is linked (use the "Closes #ISSUE" keyword below)
• [ ] New code adheres to coding guidelines
• [ ] No large data files have been added (files should in sum not exceed 100 KB, avoid PDFs, Word docs, etc.)
• [ ] Tests are added for new functionality and a local test run was successful (with and without OpenMP)
• [ ] Appropriate documentation for new functionality has been added (Doxygen in the code and Markdown files if necessary)
• [ ] Proper attention to licenses, especially no new third-party software with conflicting license has been added
• [ ] (For ABM development) Checked benchmark results and ran and posted a local test above from before and after development to ensure performance is monitored.

Checks by code reviewer(s)

• [ ] Corresponding issue(s) is/are linked and addressed
• [ ] Code is clean of development artifacts (no deactivated or commented code lines, no debugging printouts, etc.)
• [ ] Appropriate unit tests have been added, CI passes, code coverage and performance is acceptable (did not decrease)
• [ ] No large data files added in the whole history of commits(files should in sum not exceed 100 KB, avoid PDFs, Word docs, etc.)
• [ ] On merge, add 2-5 lines with the changes (main added features, changed items, or corrected bugs) to the merge-commit-message. This can be taken from the briefly-list-the-changes above (best case) or the separate commit messages (worst case).

Closes #1073

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.14%. Comparing base (7d46233) to head (0cc642a). Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1074   +/-   ##
=======================================
  Coverage   96.14%   96.14%           
=======================================
  Files         131      131           
  Lines       11047    11049    +2     
=======================================
+ Hits        10621    10623    +2     
  Misses        426      426           

:umbrella: View full report in Codecov by Sentry.
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[mknaranja]

@patricklnz and why have the credentials been removed? please provide details and also always check boxes! please also check this always @jubicker :)