chore: make clean-dd visible in make

[storopoli]

Description

I think we should have clean-dd visible in make.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature/Enhancement (non-breaking change which adds functionality or enhances an existing one)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactor

Checklist

• I have performed a self-review of my code.
• I have commented my code where necessary.
• I have updated the documentation if needed.
• My changes do not introduce new warnings.
• I have added tests that prove my changes are effective or that my feature works.
• New and existing tests pass with my changes.

Related Issues

None. just out of the blue

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.15%. Comparing base (1485d2e) to head (44e513a).
Report is 2 commits behind head on master.

@@           Coverage Diff           @@
##           master     #242   +/-   ##
=======================================
  Coverage   54.15%   54.15%           
=======================================
  Files         111      111           
  Lines       11964    11964           
=======================================
  Hits         6479     6479           
  Misses       5485     5485           

[Rajil1213]

Looks good.

This was not "exposed" because the only time we'd need to do this is when we run functional tests. So, I added it as a pre-requisite for the test-functional recipe. I guess there is a case for wanting to remove the directory after running the tests too.