Remove S3 credentials from the config.
Remove S3 credentials from the config.

StackStorm/st2contrib,armab/st2contrib,tonybaloney/st2contrib,armab/st2contrib,psychopenguin/st2contrib,tonybaloney/st2contrib,pidah/st2contrib,pearsontechnology/st2contrib,pearsontechnology/st2contrib,tonybaloney/st2contrib,pearsontechnology/st2contrib,StackStorm/st2contrib,pidah/st2contrib,armab/st2contrib,pearsontechnology/st2contrib,psychopenguin/st2contrib,pidah/st2contrib,StackStorm/st2contrib