skip Bulk Settings test
Revert "username and email request for lti module"

This reverts commit 3f159ea52bc2bec2de436d25b1c6e61e02c375dd.

Conflicts:
	common/lib/xmodule/xmodule/lti_module.py
	lms/djangoapps/courseware/tests/test_lti_integration.py
fix embargo middleware test (expect 13 sql queries, not 12)