Update apiProperties_validator.yml for Azure Pipelines

Author: taylor-hazlett

.pipelines/apiProperties_validator.yml

@@ -17,12 +17,9 @@ steps:
       foreach ($file in $apiPropertiesFiles) { 
         $newFileContent = Get-Content $file -Raw
 
-        $newFileContentAsList = New-Object Collections.Generic.List[Object]
-        $newFileContentAsList.add($newFileContent)
-
         # Validate apiProperties json
         $apiPropertiesValidatorUri = "$($env:apiPropertiesValidator)?api-version=2021-05-01&suppressWarnings=true"
-        $results = Invoke-RestMethod -Uri $apiPropertiesValidatorUri -Headers $Headers -Method Post -ContentType "application/json; charset=utf-8" -Body $newFileContentAsList
+        $results = Invoke-RestMethod -Uri $apiPropertiesValidatorUri -Headers $Headers -Method Post -ContentType "application/json; charset=utf-8" -Body [$newFileContent]
 
         $errors = $results | Where-Object { $_.level -EQ "Critical" -OR $_.Level -EQ "Error" }
         $warnings = $results | Where-Object { $_.level -EQ "Warning" }