removeTheme

Remove a custom theme from RStudio.

Access the RStudio API (if available) and provide informative error
messages when it's not.

Kevin Ushey

<dl><dt>name</dt>
<dd>The unique name of the theme to remove.</dd></dl>

<dl>

<dt>name</dt>
<dd>The unique name of the theme to remove.</dd>

</dl>