Phase 2 of deprecation of functions in lib/deprecatedlib.php initially deprecated in 4.0

As per https://docs.moodle.org/dev/Deprecation all functions in lib/deprecatedlib.php that were deprecated in 4.0 should be replaced with exceptions in 4.4.

This includes all functions in lib/deprecatedlib.php that say @deprecated since 4.0 (or earlier).

If any functions from this file do not have this comment but also need to be finally deprecated in 4.4 - please list them in this issue description.