Please Ignore for now- Remove KnownIssues from fixed bugs

[FrankYFTang]

Checklist

• [ ] Required: Issue filed: https://unicode-org.atlassian.net/browse/ICU-_____
• [ ] Required: The PR title must be prefixed with a JIRA Issue number.
• [ ] 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.
• [ ] Issue accepted (done by Technical Committee after discussion)
• [ ] Tests included, if applicable
• [ ] API docs and/or User Guide docs changed or added, if applicable

[FrankYFTang]

/azp run CI-Exhaustive

[azure-pipelines[bot]]

Azure Pipelines successfully started running 1 pipeline(s).

[jira-pull-request-webhook[bot]]

Notice: the branch changed across the force-push!

• icu4c/source/test/intltest/loctest.cpp is no longer changed in the branch
• icu4c/source/test/intltest/tzfmttst.cpp is different

View Diff Across Force-Push

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