[202211][SNMP][IPv6]: Revert PRs to support SNMP over IPv6

[SuvarnaMeenakshi]

Why I did it

Reverting PR added to support SNMP over IPv6 as there is an open issue #16165

Work item tracking

• Microsoft ADO (number only):

How I did it

Revert #16013 and #15487 form 202211 branch

How to verify it

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211
• 202305

Tested branch (Please provide the tested image version)

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

[SuvarnaMeenakshi]

Requires sonic-mgmt PR sonic-net/sonic-mgmt#9630 to skip SNMP IPv6 related tests

[keboliu]

@SuvarnaMeenakshi would you please check the checker failure?

[SuvarnaMeenakshi]

/azp run

[azure-pipelines]

Commenter does not have sufficient privileges for PR 16278 in repo sonic-net/sonic-buildimage

[SuvarnaMeenakshi]

@SuvarnaMeenakshi would you please check the checker failure?

The failure is seen test_telemetry and is not related to this revert PR.
Restarted pipeline

[dgsudharsan]

@SuvarnaMeenakshi Can you please restart the checkers again. I believe the telemetry failure got fixed.

[dgsudharsan]

@SuvarnaMeenakshi The build keeps failing. Can you please investigate?

[SuvarnaMeenakshi]

@SuvarnaMeenakshi The build keeps failing. Can you please investigate?

Raised this PR in sonic-mgmt to skip based on release sonic-net/sonic-mgmt#9856, will re-run here once sonic-mgmt PR is merged in.

[dgsudharsan]

@qiluo-msft @SuvarnaMeenakshi Can we merge this?

[dgsudharsan]

@StormLiangMS Can you please help to merge this PR to 202211?