Revert "Ticket #3789. Put a start at using the proxyurl/proxyport from system configured settings for bogons. It still does not consider the user/pass configured"

This reverts commit 664adf3845cf1df89769bb0ed5fc113048e0912e.
Set proxy env vars on interactive shell and also on crontab to make all scripts be able to use it. Ticket #3789