test: remove feedback_daemon.skipcond

The aforementioned skipcond file is specific for Travis CI
because it depends on the environment variable `TRAVIS_JOB_ID`.
We have moved to GHA for a long time, it seems this skipcond is
not useful anymore.

NO_CHANGELOG=codehealth
NO_DOC=codehealth
NO_TEST=codehealth

(cherry picked from commit 6d9620cd6d485f826acc2b54fb4ac7f971b56cde)