Shinco dehumidifier: Use different mappings for timer

Based on the log provided, the value was "0", so use that instead of "cancel"
for Off, and assume that hour settings do not have the "h" suffix.

Issue #509

custom_components/tuya_local/devices/shinco_30d_dehumidifier.yaml

@@ -86,57 +86,55 @@ secondary_entities:
         name: option
         optional: true
         mapping:
-          - dps_val: cancel
-            value: "Off"
-          - dps_val: null
+          - dps_val: "0"
             value: "Off"
-          - dps_val: "1h"
+          - dps_val: "1"
             value: "1 hour"
-          - dps_val: "2h"
+          - dps_val: "2"
             value: "2 hours"
-          - dps_val: "3h"
+          - dps_val: "3"
             value: "3 hours"
-          - dps_val: "4h"
+          - dps_val: "4"
             value: "4 hours"
-          - dps_val: "5h"
+          - dps_val: "5"
             value: "5 hours"
-          - dps_val: "6h"
+          - dps_val: "6"
             value: "6 hours"
-          - dps_val: "7h"
+          - dps_val: "7"
             value: "7 hours"
-          - dps_val: "8h"
+          - dps_val: "8"
             value: "8 hours"
-          - dps_val: "9h"
+          - dps_val: "9"
             value: "9 hours"
-          - dps_val: "10h"
+          - dps_val: "10"
             value: "10 hours"
-          - dps_val: "11h"
+          - dps_val: "11"
             value: "11 hours"
-          - dps_val: "12h"
+          - dps_val: "12"
             value: "12 hours"
-          - dps_val: "13h"
+          - dps_val: "13"
             value: "13 hours"
-          - dps_val: "14h"
+          - dps_val: "14"
             value: "14 hours"
-          - dps_val: "15h"
+          - dps_val: "15"
             value: "15 hours"
-          - dps_val: "16h"
+          - dps_val: "16"
             value: "16 hours"
-          - dps_val: "17h"
+          - dps_val: "17"
             value: "17 hours"
-          - dps_val: "18h"
+          - dps_val: "18"
             value: "18 hours"
-          - dps_val: "19h"
+          - dps_val: "19"
             value: "19 hours"
-          - dps_val: "20h"
+          - dps_val: "20"
             value: "20 hours"
-          - dps_val: "21h"
+          - dps_val: "21"
             value: "21 hours"
-          - dps_val: "22h"
+          - dps_val: "22"
             value: "22 hours"
-          - dps_val: "23h"
+          - dps_val: "23"
             value: "23 hours"
-          - dps_val: "24h"
+          - dps_val: "24"
             value: "24 hours"
   - entity: sensor
     name: Time remaing