iHunt purifier: remove extra whitespace

custom_components/tuya_local/devices/ihunt_400_airpurifier.yaml

@@ -40,7 +40,7 @@ secondary_entities:
         type: integer
         name: sensor
         class: measurement
-        unit: ugm3       
+        unit: ugm3
   - entity: sensor
     name: Filter
     category: diagnostic
@@ -101,10 +101,10 @@ secondary_entities:
           - dps_val: "1h"
             value: "1h"
           - dps_val: "2h"
-            value: "2h" 
+            value: "2h"
           - dps_val: "3h"
-            value: "3h" 
+            value: "3h"
           - dps_val: "4h"
-            value: "4h" 
+            value: "4h"
           - dps_val: "5h"
             value: "5h"