All of these main bullet points should be a separate commit but they should be pushed together in the same commit queue task. The reason they should be pushed as separate commits is in the case of needing to revert one aspect of this entire task.

• Change references from "master" to "v7.3" in copybara configurations
  • copybara.sky
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/copybara.sky#L10
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/copybara.sky#L15-L16
  • copybara.staging.sky
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/copybara.staging.sky#L10
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/copybara.staging.sky#L15-L16

• Change references from "master" to "v7.3" in evergreen nightly project configurations
  • etc/evergreen_yml_components/definitions.yml - suffix in "get buildnumber" function
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/definitions.yml#L433
  • etc/evergreen_yml_components/configuration.yml - enterprise module branch name
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/configuration.yml#L76

• Change references from "master" to "v7.3" in sys-perf project configurations
  • etc/system_perf.yml - enterprise module branch name
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/system_perf.yml#L165

• Update filename suffixes from "latest" to "v7.3-latest" in buildscripts/generate_version_expansions.py
  https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/buildscripts/generate_version_expansions.py#L64-L65

• Remove renew_ssl_cert task and renew-ssl-cert variant from sys-perf
  https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/system_perf.yml#L1622-L1629
  https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/perf_tasks.yml#L175-L210

• Remove all feature flags variants from sys-perf
  • variants that have "all-feature-flags" in their names
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/system_perf.yml
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/variants/perf.yml

• Remove FCV variants from sys-perf
  • variants that have "fcv" in their names
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/system_perf.yml
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/variants/perf.yml

• Enable variants in evergreen nightly project configurations
  • comment/uncomment lines in "include" list as the comments above those lines suggest
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_nightly.yml#L3-L48

• Promote variants to be "required" by replacing "* " prefixes with "! "
  • * Shared Library Enterprise RHEL 8.0
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/variants/rhel/test_dev.yml#L155
  • * Shared Library {A,UB}SAN Enterprise RHEL 8.0 DEBUG
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/variants/sanitizer/test_dev.yml#L199
  • * Enterprise Windows
    https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/variants/windows/test_dev.yml#L88

• Remove variants that don't exist in evergreen nightly project from burn_in_tags configuration
  https://github.com/10gen/mongo/blob/32d4eea5ba52acc13f7b154931abde46df161704/etc/evergreen_yml_components/variants/misc/misc.yml#L17-L18