Remove redundant modifiers from interfaces (#14843)

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

bundles/org.openhab.binding.lifx/src/main/java/org/openhab/binding/lifx/internal/dto/PacketHandler.java

@@ -36,5 +36,5 @@ public interface PacketHandler<T extends Packet> {
      * @throws IllegalArgumentException when an empty packet could not be created or the data in the buffer
      *             could not be parsed
      */
-    public abstract T handle(ByteBuffer buf);
+    T handle(ByteBuffer buf);
 }

bundles/org.openhab.binding.lifx/src/main/java/org/openhab/binding/lifx/internal/listener/LifxPropertiesUpdateListener.java

@@ -31,5 +31,5 @@ public interface LifxPropertiesUpdateListener {
      *
      * @param packet the updated properties
      */
-    public void handlePropertiesUpdate(Map<String, String> properties);
+    void handlePropertiesUpdate(Map<String, String> properties);
 }

bundles/org.openhab.binding.lifx/src/main/java/org/openhab/binding/lifx/internal/listener/LifxResponsePacketListener.java

@@ -30,5 +30,5 @@ public interface LifxResponsePacketListener {
      *
      * @param packet the received packet
      */
-    public void handleResponsePacket(Packet packet);
+    void handleResponsePacket(Packet packet);
 }