Simplify the logic

images/win/scripts/Installers/Install-Haskell.ps1

@@ -6,10 +6,9 @@
 # Get 3 latest versions of GHC, use OData query for that since choco search has issues https://github.com/chocolatey/choco/issues/2271
 $ODataQuery = '$filter=(Title eq ''ghc'') and (IsPrerelease eq false)&$orderby=Version desc'
 $Url = "https://community.chocolatey.org/api/v2/Packages()?$ODataQuery"
-$ChocoVersionsOutput = Invoke-RestMethod -Uri $Url | ForEach-Object { [Version]$_.properties.Version }
-$GroupedVersions = $ChocoVersionsOutput | Group-Object { $_.ToString(2) }
-$LatestMajorMinor = $GroupedVersions | ForEach-Object { [Version]$_.Name } | Sort-Object | Select-Object -last 3
-$VersionsList = $GroupedVersions | Where-Object { $_.Name -in $LatestMajorMinor } | ForEach-Object { $_.Group | Select-Object -First 1 } | Sort-Object
+$ChocoVersionsOutput = [Version[]](Invoke-RestMethod -Uri $Url).properties.Version
+$LatestMajorMinor = $ChocoVersionsOutput | Group-Object { $_.ToString(2) } | Sort-Object { [Version]$_.Name } | Select-Object -last 3
+$VersionsList = $LatestMajorMinor | ForEach-Object { $_.Group | Select-Object -First 1 } | Sort-Object
 
 # The latest version will be installed as a default
 ForEach ($version in $VersionsList)