Removes extra column character.

Author: kenwith

articles/update-manager/support-matrix-updates.md

@@ -122,7 +122,7 @@ Following is the list of supported images and no other marketplace images releas
 | || avx-cplt-byol-02 | | 
 | |aviatrix-companion-gateway-v9 | aviatrix-companion-gateway-v9 | | 
 | |aviatrix-companion-gateway-v10 | aviatrix-companion-gateway-v10 <br> aviatrix-companion-gateway-v10u ||
-| |aviatrix-companion-gateway-v12| aviatrix-companion-gateway-v12 | | |
+| |aviatrix-companion-gateway-v12| aviatrix-companion-gateway-v12 | |
 | |aviatrix-companion-gateway-v13 | aviatrix-companion-gateway-v13 <br> aviatrix-companion-gateway-v13u ||
 | |aviatrix-companion-gateway-v14 | aviatrix-companion-gateway-v14 <br> aviatrix-companion-gateway-v14u||
 | |aviatrix-companion-gateway-v16 | aviatrix-companion-gateway-v16 | |