chore: removed playing around cron jobs

dynamics_learning/cron_test/crons

-SHELL=/bin/bash
-
-0 2 * * * /bin/bash -c 'source /etc/environment && /usr/bin/python3 $PYTHON_SCRIPT_PATH >> /var/log/cron.log 2>&1'
-* * * * * /bin/bash -c 'source /etc/environment && echo $COSCINE_API_TOKEN >> /var/log/cron_test.log 2>&1'
-# Required empty newline

dynamics_learning/cron_test/testscript.sh

-echo "Displaying env vars..."
-echo $COSCINE_API_TOKEN