Avoid unnecessary logging for policy not found errors

[harshavardhana]

Description

Avoid unnecessary logging for policy not found errors

Motivation and Context

Avoid unnecessary logging for policy not found errors

How Has This Been Tested?

Manually

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added unit tests to cover my changes.
• I have added/updated functional tests in mint. (If yes, add mint PR # here: )
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #6104 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6104      +/-   ##
==========================================
+ Coverage   58.65%   58.66%   +<.01%     
==========================================
  Files         221      221              
  Lines       31751    31744       -7     
==========================================
- Hits        18624    18622       -2     
+ Misses      11474    11469       -5     
  Partials     1653     1653

Impacted Files	Coverage Δ
cmd/gateway/s3/gateway-s3.go	20% <ø> (+0.08%)	⬆️
cmd/gateway/oss/gateway-oss.go	19.59% <ø> (+0.03%)	⬆️
cmd/gateway/gcs/gateway-gcs.go	20.26% <ø> (+0.08%)	⬆️
cmd/gateway/b2/gateway-b2.go	16.95% <ø> (+0.03%)	⬆️
cmd/gateway/azure/gateway-azure.go	25.22% <ø> (+0.03%)	⬆️
cmd/xl-sets.go	53.99% <0%> (-0.22%)	⬇️

---

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[minio-ops]

Mint Automation

Test	Result
mint-gateway-s3.sh	✔️
mint-xl.sh	✔️
mint-gateway-nas.sh	✔️
mint-large-bucket.sh	✔️
mint-worm.sh	✔️
mint-fs.sh	✔️
mint-dist-xl.sh	✔️
mint-gateway-azure.sh	❌ more...

6104-21984b3/mint-gateway-azure.sh.log:

Running with
SERVER_ENDPOINT:      minikube:32643
ACCESS_KEY:           minioazure1
SECRET_KEY:           ***REDACTED***
ENABLE_HTTPS:         0
SERVER_REGION:        us-east-1
MINT_DATA_DIR:        /mint/data
MINT_MODE:            full
ENABLE_VIRTUAL_STYLE: 0

To get logs, run 'docker cp 01ce01a67d5b:/mint/log /tmp/mint-logs'
(1/13) Running awscli tests ... FAILED in 21 seconds
{
  "name": "awscli",
  "duration": 6131,
  "function": "make_bucket\n",
  "status": "FAIL",
  "error": "An error occurred (InternalError) when calling the CreateBucket operation (reached max retries: 4): We encountered an internal error, please try again."
}

Executed 0 out of 13 tests successfully.