cmd/loop: simplify no-deposits error and remove deposit.MinConfs

Update the loop-in CLI error message to no longer reference a minimum
confirmation count now that mempool deposits are surfaced immediately.
Remove the unused MinConfs constant from the deposit package.

Author: hieblmi

cmd/loop/staticaddr.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/lightninglabs/loop/labels"
 	"github.com/lightninglabs/loop/looprpc"
-	"github.com/lightninglabs/loop/staticaddr/deposit"
 	"github.com/lightninglabs/loop/staticaddr/loopin"
 	"github.com/lightninglabs/loop/swapserverrpc"
 	lndcommands "github.com/lightningnetwork/lnd/cmd/commands"
@@ -537,11 +536,7 @@ func staticAddressLoopIn(ctx context.Context, cmd *cli.Command) error {
 	allDeposits := depositList.FilteredDeposits
 
 	if len(allDeposits) == 0 {
-		errString := fmt.Sprintf("no confirmed deposits available, "+
-			"deposits need at least %v confirmations",
-			deposit.MinConfs)
-
-		return errors.New(errString)
+		return errors.New("no deposited outputs available")
 	}
 
 	var depositOutpoints []string

staticaddr/deposit/manager.go

@@ -18,11 +18,6 @@ import (
 )
 
 const (
-	// MinConfs is the minimum number of confirmations we require for a
-	// deposit to be considered available for loop-ins, coop-spends and
-	// timeouts.
-	MinConfs = 6
-
 	// MaxConfs is unset since we don't require a max number of
 	// confirmations for deposits.
 	MaxConfs = 0