Fix Windows to use /MT when building static libraries.

[BillyONeal]

No description provided.

[ahsonkhan]

Related to #1380 (that one can now just be to update the triplet in CI back to VCPKG_DEFAULT_TRIPLET: 'x86-windows-static'.

[ahsonkhan]

The reason the windows legs are failing in CI, because they are still using x64-windows-static-md.

https://dev.azure.com/azure-sdk/public/_build/results?buildId=560661&view=logs&j=a5fc39c3-d79c-51c5-1c7e-826b06cf306e&t=4f14e981-da72-5d9a-854f-ec0ce87343a1&l=159

Creating library D:/a/1/s/build/sdk/samples/iot/Debug/paho_iot_hub_telemetry_sample.lib and object D:/a/1/s/build/sdk/samples/iot/Debug/paho_iot_hub_telemetry_sample.exp
LINK : warning LNK4098: defaultlib 'MSVCRTD' conflicts with use of other libs; use /NODEFAULTLIB:library [D:\a\1\s\build\sdk\samples\iot\paho_iot_hub_telemetry_sample.vcxproj]
LINK : error LNK1218: warning treated as error; no output file generated [D:\a\1\s\build\sdk\samples\iot\paho_iot_hub_telemetry_sample.vcxproj]

We need to remove the 3 instances of -md from this yml file (similar to antkmsft@6f87a2d, to revert back to the CI script before #1338):

azure-sdk-for-c/eng/pipelines/templates/jobs/archetype-sdk-client.yml

Line 172 in 12de243

VCPKG_DEFAULT_TRIPLET: 'x64-windows-static-md'

[antkmsft]

This PR + CI/CD update, build passes: #1395

[ahsonkhan]

@BillyONeal can you cherry-pick that commit, or give @antkmsft collaborator permissions to your fork so he can add that commit to this PR directly?

[antkmsft]

https://github.com/BillyONeal/azure-sdk-for-c/pull/1

[ahsonkhan]

/azp run c - client

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[ghost]

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[ahsonkhan]

Fixes #1020 on top of #1338.

[ahsonkhan]

Welcome contributor number 36! :p