Update omv-install.sh

tweak

install/omv-install.sh

@@ -32,7 +32,7 @@ export DEBIAN_FRONTEND=noninteractive
 export APT_LISTCHANGES_FRONTEND=none
 $STD apt-get update
 apt-get -y --auto-remove --show-upgraded --allow-downgrades --allow-change-held-packages --no-install-recommends --option DPkg::Options::="--force-confdef" --option DPkg::Options::="--force-confold" install openmediavault-keyring openmediavault &>/dev/null
-omv-confdbadm populate
+omv-confdbadm populate &>/dev/null
 msg_ok "Installed OpenMediaVault"
 
 motd_ssh