Fix: Fixed Graphdeployer (coscine/issues#999)

coscine/issues#1025

src/GraphDeployer/getRepository.ps1

@@ -40,4 +40,8 @@ New-Item -ItemType Directory -Force -Path $path
 
 Copy-Item "./$repositoryFolder/*" $path -Recurse;
 
+# Twice remove, because of: https://stackoverflow.com/questions/7909167/how-to-quietly-remove-a-directory-with-content-in-powershell#comment10316056_7909195
+If(Test-Path $repositoryFolder) { Remove-Item -LiteralPath $repositoryFolder -Force -Recurse }
+If(Test-Path $repositoryFolder) { Remove-Item -LiteralPath $repositoryFolder -Force -Recurse }
+
 Pop-Location
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