remove another confusing message

the current message says the file name, and implies that
the given file has already been updated.

Signed-off-by: Leah Rowe <leah@libreboot.org>

include/inject.sh

@@ -131,7 +131,7 @@ modify_mac()
 
 	fx_ newmac x_ find "$tmpromdir" -maxdepth 1 -type f -name "*.rom"
 
-	printf "\nGbE NVM written to '%s':\n" "$archive"
+	printf "\nThe following GbE NVM data will be written:\n"
 	x_ "$nvm" "$xbmklocal/gbe" dump | grep -v "bytes read from file" || :
 }