removing expand_user from config.py
removing expand_user from config.py

- not needed since these variables will be referring to S3

paylogic/pip-accel,matysek/pip-accel,theyoprst/pip-accel,theyoprst/pip-accel,paylogic/pip-accel,pombredanne/pip-accel,matysek/pip-accel,pombredanne/pip-accel