Moved decap sub test cases from TE-18.1 README to a seperate directory

[vishnureddybadveli]

No description provided.

[OpenConfigBot]

Pull Request Functional Test Report for #3673 / be094e1

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[coveralls]

Pull Request Test Coverage Report for Build 12683059884

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.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

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 55.268%

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Totals
Change from base Build 12642570539:	0.0%
Covered Lines:	1983
Relevant Lines:	3588

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💛 - Coveralls

[dplore]

add the url for the readme in the readme field. It should look like:

https://github.com/openconfig/featureprofiles/blob/main//feature/policy_forwarding/otg_tests/mpls_gre_udp_decap_test//README.md

[vishnureddybadveli]

Thank you, I think that we need to commit this pull request before adding the url for the readme in the readme field right? reason I left it blank once this change is committed I will add the url.