Correct usages of Write-Output with Write-Host

scripts/dev-dotnet.ps1

@@ -15,7 +15,7 @@ try {
     if (Test-Path $stage2) {
         $env:PATH="$stage2;$env:PATH"
     } else {
-        Write-Output "You don't have a dev build in the 'artifacts\$rid\stage2' folder!"
+        Write-Host "You don't have a dev build in the 'artifacts\$rid\stage2' folder!"
     }
 
     dotnet @args

scripts/obtain/dotnet-install.ps1

@@ -85,7 +85,7 @@ $VersionRegEx="/\d+\.\d+[^/]+/"
 $OverrideNonVersionedFiles=$true
 
 function Say($str) {
-    Write-Output "dotnet-install: $str"
+    Write-Host "dotnet-install: $str"
 }
 
 function Say-Verbose($str) {
@@ -470,7 +470,7 @@ if ($IsSdkInstalled) {
 New-Item -ItemType Directory -Force -Path $InstallRoot | Out-Null
 
 $installDrive = $((Get-Item $InstallRoot).PSDrive.Name);
-Write-Output "${installDrive}:";
+Write-Host "${installDrive}:";
 $free = Get-CimInstance -Class win32_logicaldisk | where Deviceid -eq "${installDrive}:"
 if ($free.Freespace / 1MB -le 100 ) {
     Say "There is not enough disk space on drive ${installDrive}:"

scripts/use-dev.ps1

@@ -12,5 +12,5 @@ if (Test-Path $stage2) {
         $env:PATH="$stage2;$env:PATH"
     }
 } else {
-    Write-Output "You don't have a dev build in the 'artifacts\win10-x64\stage2' folder!"
+    Write-Host "You don't have a dev build in the 'artifacts\win10-x64\stage2' folder!"
 }