ICU-22977 Fix MSVC builds

[mihnita]

Temporarily remove the Universal Windows Platform (_wup) projects.

Checklist

• Required: Issue filed: https://unicode-org.atlassian.net/browse/ICU-22977
  • For minor changes you can use one of the following per-release tickets:
  • ICU 77 code warnings/version updates: ICU-22920 — Fix compiler warnings. Update versions of code-related dependencies (e.g., dependabot).
  • ICU 77 docs minor fixes: ICU-22921 — User Guide & API docs typos etc., and version updates (e.g., dependabot for User Guide)
• Required: The PR title must be prefixed with a JIRA Issue number. Example: "ICU-1234 Fix xyz"
• Required: The PR description must include the link to the Jira Issue, for example by completing the URL in the first checklist item
• Required: Each commit message must be prefixed with a JIRA Issue number. Example: "ICU-1234 Fix xyz"
• Issue accepted (done by Technical Committee after discussion)
• Tests included, if applicable
• API docs and/or User Guide docs changed or added, if applicable

[jira-pull-request-webhook]

Notice: the branch changed across the force-push!

• icu4c/source/allinone/allinone.sln is no longer changed in the branch
• icu4c/source/common/common_uwp.vcxproj is now changed in the branch
• icu4c/source/data/makedata_uwp.vcxproj is now changed in the branch
• icu4c/source/i18n/i18n_uwp.vcxproj is now changed in the branch

View Diff Across Force-Push

~ Your Friendly Jira-GitHub PR Checker Bot

[jira-pull-request-webhook]

Notice: the branch changed across the force-push!

• icu4c/source/common/common_uwp.vcxproj is different
• icu4c/source/data/makedata_uwp.vcxproj is different
• icu4c/source/i18n/i18n_uwp.vcxproj is different

View Diff Across Force-Push

~ Your Friendly Jira-GitHub PR Checker Bot

[jira-pull-request-webhook]

Notice: the branch changed across the force-push!

• icu4c/source/allinone/allinone.sln is now changed in the branch
• icu4c/source/common/common_uwp.vcxproj is no longer changed in the branch
• icu4c/source/data/makedata_uwp.vcxproj is no longer changed in the branch
• icu4c/source/i18n/i18n_uwp.vcxproj is no longer changed in the branch

View Diff Across Force-Push

~ Your Friendly Jira-GitHub PR Checker Bot