CmdID / PowerShell / Cmdlets / Uninstall
Uninstall-Language
Uninstalls a language from a device. Windows Server PowerShell reference
From the Windows Server PowerShell reference 2 parameters Its page in the reference
Parameters
-Language, -LanguageId, -LanguageTagThe bcp47 tag of the language to install.-PassThruIf specified, this parameter returns the bcp47 tag of the newly installed language upon successful installation.