Updates to Export-QuarantineMessage per PM comments

Removed duplicate code line in example.

Author: chrisda

exchange/exchange-ps/exchange/antispam-antimalware/Export-QuarantineMessage.md

@@ -28,7 +28,7 @@ You need to be assigned permissions before you can run this cmdlet. Although thi
 
 ### -------------------------- Example 1 --------------------------
 ```
-$e=Export-QuarantineMessage -Identity c14401cf-aa9a-465b-cfd5-08d0f0ca37c5\4c2ca98e-94ea-db3a-7eb8-3b63657d4db7; $e.BodyEncoding; $e | select -ExpandProperty Eml | Out-File "C:\My Documents\Export1_ascii.eml" -Encoding ascii; $e | select -ExpandProperty Eml | Out-File "C:\My Documents\Export1_ascii.eml" -Encoding ascii
+$e = Export-QuarantineMessage -Identity c14401cf-aa9a-465b-cfd5-08d0f0ca37c5\4c2ca98e-94ea-db3a-7eb8-3b63657d4db7; $e.BodyEncoding; $e | select -ExpandProperty Eml | Out-File "C:\My Documents\Export1_ascii.eml" -Encoding ascii
 ```
 
 This example exports the quarantined message with the specified Identity value.