Remove outdated mitigation regarding KDE bug 190522

[billchenchina]

Since it's already been fixed for 10+ years

[vmwclabot]

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[vmwclabot]

@billchenchina, we have received your signed contributor license agreement. The review is usually completed within a week, but may take longer under certain circumstances. Another comment will be added to the pull request to notify you when the merge can proceed.

[jonathanvmw]

@billchenchina - Thank you for submitting this pull request. It is a subset of an earlier pull request, 668, which is in progress. Closing.

[vmwclabot]

@billchenchina, VMware has approved your signed contributor license agreement.