Remove the deprecated ethernet hal APIs

[rajkan01]

Summary of changes

Removed ethernet hal deprecated APIs.

Impact of changes

Breaking change: The Ethernet hal APIs are removed as they have been deprecated in a previous Mbed OS release.

Migration actions required

• EthInterface is now the preferred way to get an Ethernet object.
• Alternatively, use NetworkInterface to get an instance of an appropriate network interface (WiFi or Ethernet).

Documentation

None.

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Pull request type

[] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[x] 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 , @maclobdell @SeppoTakalo

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[rajkan01]

@toyowata As part of this PR, we have removed the ethernet hal APIs but noticed that netscoket emac driver is using these deprecated APIs, Please raise this issue with Renesas to fix.

[ciarmcom]

@rajkan01, thank you for your changes.
@toyowata @maclobdell @ashok-rao @evedon @ARMmbed/mbed-os-hal @ARMmbed/mbed-os-maintainers please review.

[toyowata]

@rajkan01 thanks for letting know this. I asked @ARMmbed/team-renesas-rz to fix their emac driver.

[0xc0170]

CI started

[mbed-ci]

Test run: FAILED

Summary: 3 of 4 test jobs failed
Build number : 1
Build artifacts

Failed test jobs:

• jenkins-ci/mbed-os-ci_build-GCC_ARM
• jenkins-ci/mbed-os-ci_build-ARM
• jenkins-ci/mbed-os-ci_build-IAR

[0xc0170]

Still there are references in the code, please review failures

[rajkan01]

Still there are references in the code, please review failures
@0xc0170 We have already raised the issue to Renesas to fix emac driver refer #12639 (comment)

[0xc0170]

Set this as preceding PR (driver in renesas needs to be fixed)

[mbed-ci]

Test run: SUCCESS

Summary: 6 of 6 test jobs passed
Build number : 2
Build artifacts

[0xc0170]

I cleaned up pr-merge outdated hook.

Once approved by @bulislaw , will go in.