Any exceptions?

I'm guessing that this doesn't throw exceptions., for example, if the key is not in the collection. It would be helpful if the behavior for such cases were stated explicitly.

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* ID: f6f41c86-49f0-4399-5738-c5ae07a65ccd
* Version Independent ID: 59c05b93-845c-28f8-60fb-1457e797da45
* Content: [Control.ControlCollection.RemoveByKey(String) Method (System.Windows.Forms)](https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.control.controlcollection.removebykey?f1url=https%3A%2F%2Fmsdn.microsoft.com%2Fquery%2Fdev15.query%3FappId%3DDev15IDEF1%26l%3DEN-US%26k%3Dk(System.Windows.Forms.Control.ControlCollection.RemoveByKey);k(TargetFrameworkMoniker-.NETFramework,Version%3Dv4.5.2);k(DevLang-csharp)%26rd%3Dtrue&view=netframework-4.7.2)
* Content Source: [xml/System.Windows.Forms/Control+ControlCollection.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.Windows.Forms/Control+ControlCollection.xml)
* Product: **dotnet-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **dotnetcontent**