AgentBaker fix: resolve duplicate rsyslog entries for Azure Linux

What type of PR is this?

What this PR does / why we need it:

This PR aims to fix the issue of duplicate entries in /var/log/messages file in Azure Linux AKS.

Bug link: https://microsoft.visualstudio.com/OS/_workitems/edit/50154304/

Which issue(s) this PR fixes:

Fixes #

Requirements:

[ ] uses conventional commit messages
[ ] includes documentation
[ ] adds unit tests
[ ] tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

Jul 03 '24 20:07 henryli001

Pull Request Test Coverage Report for Build 9784181482

Details

0 of 0 changed or added relevant lines in 0 files are covered.
No unchanged relevant lines lost coverage.
Overall coverage remained the same at 70.486%

Totals
Change from base Build 9783805229:	0.0%
Covered Lines:	2627
Relevant Lines:	3727

Pull Request Test Coverage Report for Build 9784192610

Details

0 of 0 changed or added relevant lines in 0 files are covered.
No unchanged relevant lines lost coverage.
Overall coverage remained the same at 70.486%

Totals
Change from base Build 9783805229:	0.0%
Covered Lines:	2627
Relevant Lines:	3727

Pull Request Test Coverage Report for Build 9786964606

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

For more information on this, see Tracking coverage changes with pull request builds.
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For a quick fix, rebase this PR at GitHub. Your next report should be accurate.