Revert "report more detailed errors and show stacktraces when unsafe logging"

This reverts commit c1af35b2e2d57cb8850b1cf345d29065766a9410.

Conflicts:
	facilitator/facilitator
Merge branch 'bug9349_server_endpoints' into merge-next

Conflicts:
	facilitator/Makefile
	facilitator/fac.py
	facilitator/facilitator
	facilitator/facilitator.cgi