The vast majority of the variants in mongodb-mongo-master have "has_packages" set to false. This causes the task to be skipped over instead of running packaging as can be seen in this script: https://github.com/10gen/mongo/blob/master/evergreen/packager.py_run.sh#L10C18-L10C18

These variants are still spinning up ec2 instances to run this task which will eventually not do anything except run a scons compile and upload some files to s3. These variants also have a "compile_all" task so we should not be losing any coverage on scons targets.

If we change these variants to use compile task groups that do not have the packaging task we will lose no coverage and will save ~10k/yr.