CLDSRV-964: remove MPU checksums for external backends (GCP, AWS S3, Azure)

[leif-scality]

Update the CreateMPU and CompleteMPU so that external backends correctly ignore checksums

[bert-e]

Hello leif-scality,

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[bert-e]

Incorrect fix version

The Fix Version/s in issue CLDSRV-964 contains:

• None

Considering where you are trying to merge, I ignored possible hotfix versions and I expected to find:

• 9.4.0

Please check the Fix Version/s of CLDSRV-964, or the target
branch of this pull request.

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
9739	1	9738	0

View the full list of 1 ❄️ flaky test(s)

should create a bunch of objects and their versions::put and head object with versioning With v4 signature on versioning suspended then enabled bucket w/ null version should create a bunch of objects and their versions

Flake rate in main: 13.81% (Passed 668 times, Failed 107 times)

Stack Traces | 600s run time

Timeout of 600000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves. (.../test/versioning/objectHead.js)

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[leif-scality]

ping

[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• 2 peers

[leif-scality]

/approve

[bert-e]

I have successfully merged the changeset of this pull request
into targetted development branches:

• ✔️ development/9.4

The following branches have NOT changed:

• development/7.10
• development/7.4
• development/7.70
• development/8.8
• development/9.0
• development/9.1
• development/9.2
• development/9.3

This pull request did not target the following hotfix branch(es) so they
were left untouched:

• hotfix/7.4.7
• hotfix/6.4.7
• hotfix/7.4.0
• hotfix/7.4.6
• hotfix/7.7.0
• hotfix/7.70.73
• hotfix/7.10.30
• hotfix/7.70.51
• hotfix/7.4.1
• hotfix/7.10.0
• hotfix/7.10.28
• hotfix/7.70.45
• hotfix/7.4.10
• hotfix/9.2.36
• hotfix/7.8.0
• hotfix/7.4.2
• hotfix/9.2.24
• hotfix/7.10.49
• hotfix/9.0.7
• hotfix/7.4.8
• hotfix/7.10.15
• hotfix/7.70.11
• hotfix/7.9.0
• hotfix/7.10.8
• hotfix/9.0.32
• hotfix/7.4.3
• hotfix/7.10.1
• hotfix/7.4.5
• hotfix/7.10.27
• hotfix/7.10.2
• hotfix/7.4.4
• hotfix/7.70.21
• hotfix/7.10.3
• hotfix/7.2.0
• hotfix/7.4.9
• hotfix/7.10.4
• hotfix/7.6.0
• hotfix/8.8.45

Please check the status of the associated issue CLDSRV-964.

Goodbye leif-scality.

The following options are set: approve