In the following epic we change our distribution method from an uniform split by project count to resource usage: https://issues.redhat.com/browse/COST-3226

After these changes are in place, we now how duplicate columns in the database that are calculated the same way. 

For example for OCP on GCP, the following columns are calculated in the same way:

credit_amount == pod_credit
unblended_cost == pod_cost
markup_cost == project_markup_cost

Which makes the (pod_credit, pod_cost, project_markup_cost) redundant database columns. For more context see the following review comment.

Acceptance Criteria:
1. Identify the redundant columns for OCP on [GCP, Azure, AWS] and remove them from the database.