Remove duplicate mbed-os/TESTS/host_tests scripts

[rajkan01]

Summary of changes

preceding PR #13501

• Removed duplicate mbed-os/TESTS/host_tests scripts as it was already copied into respective libraries hosts_tests directory

Impact of changes

None.

Migration actions required

None.

Documentation

None.

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Pull request type

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

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Test results

[] No Tests required for this change (E.g docs only update)
[x] Covered by existing mbed-os tests (Greentea or Unittest)
[] Tests / results supplied as part of this PR

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Reviewers

@evedon @LDong-Arm

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[ciarmcom]

@rajkan01, thank you for your changes.
@LDong-Arm @evedon @ARMmbed/mbed-os-core @ARMmbed/mbed-os-maintainers please review.

[evedon]

Why does it look like you moved some files? Do you need to rebase your PR?

[LDong-Arm]

Why does it look like you moved some files? Do you need to rebase your PR?

They are due to the preceding PR: #13501

Pull request has been modified.

[rajkan01]

@0xc0170 Could you review and start the CI

[0xc0170]

CI started

[mbed-ci]

Jenkins CI Test : ✔️ SUCCESS

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jobs	Status
jenkins-ci/mbed-os-ci_unittests	✔️
jenkins-ci/mbed-os-ci_build-ARM	✔️
jenkins-ci/mbed-os-ci_build-GCC_ARM	✔️
jenkins-ci/mbed-os-ci_greentea-test	✔️