This can be done via the command line if you really get stuck.
Some useful commands
List configuration profile information for the computer (Computer Level)
/usr/bin/profiles -C
List configuration profile information for a particular user, or the current user if no Username was specified (User Level)
/usr/bin/profiles -L
List configuration profile information for everyone.
/usr/bin/profiles -P
Remove a Computer Level Configuration Profile from Command Line
1) List the computer level config profiles with their Identifier ```
/usr/bin/profiles profiles -C
2) Remove using profiles -R -p [identifier]
/usr/bin/profiles -R -p XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX