Revert "Support disable ssl_verify_peer in Excon for Self Signed SSL Certs."

This reverts commit 71121988e2b56eeb063970e8075366ad8d1c8d01.

* The registry.yml.erb introduced a tab that broke yaml parsing
* set_ssl_verify_peer appears to compare boolean options with strings

Signed-off-by: Jeffrey Peckham <peckham@pivotallabs.com>

Conflicts:
	bosh_openstack_cpi/spec/unit/cloud_spec.rb
	bosh_registry/spec/unit/openstack/instance_manager_spec.rb
	release/jobs/registry/spec