Remove redundant modifiers from interfaces (#14843)

Signed-off-by: Wouter Born <github@maindrain.net>

bundles/org.openhab.binding.gardena/src/main/java/org/openhab/binding/gardena/internal/GardenaSmart.java

@@ -32,30 +32,30 @@ public interface GardenaSmart {
     /**
      * Disposes Gardena smart system.
      */
-    public void dispose();
+    void dispose();
 
     /**
      * Returns all devices from all locations.
      */
-    public Collection<Device> getAllDevices();
+    Collection<Device> getAllDevices();
 
     /**
      * Returns a device with the given id.
      */
-    public Device getDevice(String deviceId) throws GardenaDeviceNotFoundException;
+    Device getDevice(String deviceId) throws GardenaDeviceNotFoundException;
 
     /**
      * Sends a command to Gardena smart system.
      */
-    public void sendCommand(DataItem<?> dataItem, GardenaCommand gardenaCommand) throws GardenaException;
+    void sendCommand(DataItem<?> dataItem, GardenaCommand gardenaCommand) throws GardenaException;
 
     /**
      * Returns the id.
      */
-    public String getId();
+    String getId();
 
     /**
      * Restarts all WebSocket.
      */
-    public void restartWebsockets();
+    void restartWebsockets();
 }

bundles/org.openhab.binding.gardena/src/main/java/org/openhab/binding/gardena/internal/GardenaSmartEventListener.java

@@ -26,15 +26,15 @@ public interface GardenaSmartEventListener {
     /**
      * Called when a device has been updated.
      */
-    public void onDeviceUpdated(Device device);
+    void onDeviceUpdated(Device device);
 
     /**
      * Called when a new device has been detected.
      */
-    public void onNewDevice(Device device);
+    void onNewDevice(Device device);
 
     /**
      * Called when an unrecoverable error occurs.
      */
-    public void onError();
+    void onError();
 }