remove todo statement from awsfulltest slack channel config

[mashehu]

I don't think it is necessary and breaks the action if one "somehow" forgets to remove it.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.36%. Comparing base (e66ecde) to head (d9dd12e).
⚠️ Report is 1 commits behind head on dev.

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[jfy133]

I don't think it is necessary and breaks the action if one "somehow" forgets to remove it.

Trusting you that it indeed doesn't break ;)