Revert "Merge pull request #69 in AUTH/d2l.security.oauth2 from principaltype-flagsify to master"
Revert "Merge pull request #69 in AUTH/d2l.security.oauth2 from principaltype-flagsify to master"

This reverts commit 6eb4b711a200ca7ed9df5af5d5a6b67de96f8946, reversing
changes made to 1e746200c7c4ace0e397f409da1b913c2d7bf517.

Brightspace/D2L.Security.OAuth2