Remove boards product references (#23855)

Automatic Merge

server/cmd/mattermost/main.go

@@ -14,9 +14,6 @@ import (
 
 	// Enterprise Imports
 	_ "github.com/mattermost/mattermost/server/v8/channels/imports"
-
-	// Blank imports for each product to register themselves
-	_ "github.com/mattermost/mattermost/server/v8/boards/product"
 )
 
 func main() {