Remove the low battery notification if a normal battery level is reported.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/AbstractDeviceSupport.java

@@ -318,6 +318,8 @@ public abstract class AbstractDeviceSupport implements DeviceSupport {
                                     context.getString(R.string.notif_battery_low_bigtext_number_of_charges, String.valueOf(deviceEvent.numCharges))
                             : ""
                     , context);
+        } else {
+            GB.removeBatteryNotification(context);
         }
 
         gbDevice.sendDeviceUpdateIntent(context);

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/GB.java

@@ -365,6 +365,10 @@ public class GB {
         updateNotification(notification, NOTIFICATION_ID_LOW_BATTERY, context);
     }
 
+    public static void removeBatteryNotification(Context context) {
+        removeNotification(NOTIFICATION_ID_LOW_BATTERY, context);
+    }
+
     public static GBEnvironment env() {
         return environment;
     }