How to remove a rendering from page list using Sitecore PowerShell script ?

 There might be scenario, where 

• remove a rendering from list of pages/Tree
• remove broken rendering from Tree

Above we can achieve using Sitecore PowerShell script

$pageTemplateId = "{4A990Q43-71FD-4DAC-8865-5ABAAA13R911}"

$startPath = "master:/sitecore/content/YourSiteNode/Home/"

$useFinalLayout = $True

$useSharedLayout = $True

$rootItem = Get-ChildItem -Path $startPath -recurse | Where-Object { $_."TemplateID" -eq $pageTemplateId };

if($rootItem -ne $null) {

foreach($item in $rootItem) {

$renderings =  Get-Rendering -Item $item -Placeholder "/header/primary-menu" -Device (Get-LayoutDevice "Default") -FinalLayout:$useFinalLayout

foreach($rendering in $renderings) {

    $renderingItem = Get-Item -Path $rendering.ItemID

if($renderingItem.Name -eq "YourRenderingName") {

    Remove-Rendering -Item $item -Instance $rendering -Device (Get-LayoutDevice "Default") -FinalLayout:$useFinalLayout

    Write-Host $item.Name

}

}

}

}