Updated table with correct Sharepoint Sku for

Per GitHub issue 48528, fixed the name of the Sku for the Sharepoint 2019 image.  Also removed the Dynamics line because that image seems to no longer exist (and this table is just a lit of common examples, it is not meant to be an exhaustive list)

Author: DavidCBerry13

articles/virtual-machines/windows/cli-ps-findimage.md

@@ -42,8 +42,7 @@ This table shows a subset of available Skus for the indicated Publishers and Off
 | MicrosoftWindowsServer |WindowsServer |2016-Datacenter-with-Containers |
 | MicrosoftWindowsServer |WindowsServer |2012-R2-Datacenter |
 | MicrosoftWindowsServer |WindowsServer |2012-Datacenter |
-| MicrosoftDynamicsNAV |DynamicsNAV |2017 |
-| MicrosoftSharePoint |MicrosoftSharePointServer |2019 |
+| MicrosoftSharePoint |MicrosoftSharePointServer |sp2019 |
 | MicrosoftSQLServer |SQL2019-WS2016 |Enterprise |
 | MicrosoftRServer |RServer-WS2016 |Enterprise |