So you have been posting to a content group and now you want to edit the current profiles for that group.
Changing profiles in a content group is quite easy!
1. Go to Publishing > All Content Groups:
2. Select the content group that you want to edit:
3. On the right side of the dashboard, under Target Profiles, click on the Settings icon:
4. Select/unselect the profiles you want to use for this content group, click Continue then Update:
5. Confirm that the changes are now showing under Target Profiles
Once this is done, all scheduled posts under this content group will now be published to the selected target profiles!