Fixed a minor docs issue (#1314)

powershell/resources/psruntime/BuildTime/Models/PsProxyTypes.cs

@@ -311,7 +311,7 @@ namespace Microsoft.Rest.ClientRuntime.PowerShell
             var complexMessage = $"{Environment.NewLine}";
             var description = ParameterAttribute.HelpMessage.NullIfEmpty() ?? HelpInfo.Description.NullIfEmpty() ?? InfoAttribute?.Description.NullIfEmpty() ?? String.Empty;
             // Remove the complex type message as it will be reinserted if this is a complex type
-            description = description.NormalizeNewLines().Replace(complexMessage, String.Empty).Replace(complexMessage.ToPsSingleLine(), String.Empty);
+            description = description.NormalizeNewLines();
             // Make an InfoAttribute for processing only if one isn't provided
             InfoAttribute = Attributes.OfType<InfoAttribute>().FirstOrDefault() ?? new InfoAttribute { PossibleTypes = new[] { ParameterType.Unwrap() }, Required = IsMandatory };
             // Set the description if the InfoAttribute does not have one since they are exported without a description