refactor: simplify break threshold picker values and labels

internal/bot/settings.go

@@ -282,17 +282,14 @@ func (h *Handler) breakThresholdCallback(ctx context.Context, chatID int64, msgI
 
 // buildBreakThresholdKeyboard returns the break threshold picker.
 func (h *Handler) buildBreakThresholdKeyboard(current int64) (string, models.InlineKeyboardMarkup) {
-	values := []int{0, 5, 10, 15, 30, 60, 120, 240, 480}
+	values := []int{0, 5, 10, 15, 30, 60}
 	labels := map[int]string{
-		0:   "0 (off)",
-		5:   "5 min",
-		10:  "10 min",
-		15:  "15 min",
-		30:  "30 min",
-		60:  "1h",
-		120: "2h",
-		240: "4h",
-		480: "8h",
+		0:  "0m",
+		5:  "5m",
+		10: "10m",
+		15: "15m",
+		30: "30m",
+		60: "1h",
 	}
 	rows := [][]models.InlineKeyboardButton{}
 	for _, v := range values {