The PDF Creator Plugin for Chrome can be found in C:\Program Files (x86)\Foxit Software\Foxit PhantomPDF\plugins\Creator\ChromeAddin
The crx file creates the plugin
In Customization Wizard:
Within File Explorer:
If you wish to remove these plugins for users when deploying the software, you can remove these files.
Alternatively, you can navigate to the registry and create a GPO to delete the regkeys in HKEY_LOCALMACHINE:
SOFTWARE\Foxit Software\Foxit PDF Editor\Google\Chrome\Extensions and SOFTWARE\Foxit Software\Foxit PDF Editor\Mozilla Plugins