Exception after Removing Workflow Action Pack

I followed the instructions to remove the Workflow Action Pack but when I try to load the my site I am getting an exception

Could not load file or assembly ‘Plumsail.WFServices, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ca455081e36d9f3d’ or one of its dependencies. The system cannot find the file specified.

Hello,

Please edit web.config file on the WFE and remove the following line:

<add name="PlumsailAuthModule" type="Plumsail.WFServices.HttpModules.WFServicesAuthentication, Plumsail.WFServices, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ca455081e36d9f3d" />

Thank You, Roman. That worked perfectly. Thanks for the help

A small addition: It would be better to use the following PowerShell script:

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue

$wa = Get-SPWebApplication "http://dev1"

$exclude = @( "PlumsailAuthModule" ) 
for($i = $wa.WebConfigModifications.Count -1; $i -gt 0; $i--)
{
    $mod = $wa.WebConfigModifications[$i]
    if ($exclude.Contains($mod.Owner))
    {   
        Write-Host $mod
        $wa.WebConfigModifications.Remove($mod);

    }
}

$wa.Update()
$wa.Parent.ApplyWebConfigModifications()