[COST-5161] - Drop Azure v1 support

[lcouzens]

Jira Ticket

COST-5161

Description

This change will drop Azure v1 cotst export support

We need to follow up with removing all the old code but this will prevent us processing old reports.

Testing

1. Checkout Branch
2. Restart Koku
3. create Azure source
4. Ingest report using V2
5. Everything should process correctly
6. ingest Azure V1 report
7. A warning message should pop up and processing will halt

Release Notes

• proposed release note

* [COST-5161](https://issues.redhat.com/browse/COST-5161) Drop support for Azure v1 reports

[lcouzens]

/retest

[lcouzens]

/retest

[lcouzens]

Full smokes had the following failures:

test_api_cost_model_ocp_cost_distribution_node_cpu_values
test_api_cost_model_ocp_cost_distribution_project_cpu_values
test_api_cost_model_ocp_cost_distribution_update_values

Not sure these are related to the changes in this PR.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.1%. Comparing base (3d79211) to head (ca845a6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #5245     +/-   ##
=======================================
- Coverage   94.1%   94.1%   -0.0%     
=======================================
  Files        375     375             
  Lines      31410   31416      +6     
  Branches    4623    4625      +2     
=======================================
  Hits       29551   29551             
- Misses      1185    1186      +1     
- Partials     674     679      +5