Remove redundant modifiers from interfaces (#14843)

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

bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/connector/PowermaxConnectorInterface.java

@@ -28,45 +28,45 @@ public interface PowermaxConnectorInterface {
     /**
      * Method for opening a connection to the Visonic alarm panel.
      */
-    public void open() throws Exception;
+    void open() throws Exception;
 
     /**
      * Method for closing a connection to the Visonic alarm panel.
      */
-    public void close();
+    void close();
 
     /**
      * Returns connection status
      *
      * @return: true if connected or false if not
      **/
-    public boolean isConnected();
+    boolean isConnected();
 
     /**
      * Method for sending a message to the Visonic alarm panel
      *
      * @param data the message as a table of bytes
      **/
-    public void sendMessage(byte[] data);
+    void sendMessage(byte[] data);
 
     /**
      * Method for reading data from the Visonic alarm panel
      *
      * @param buffer the buffer into which the data is read
      **/
-    public int read(byte[] buffer) throws IOException;
+    int read(byte[] buffer) throws IOException;
 
     /**
      * Method for registering an event listener
      *
      * @param listener the listener to be registered
      */
-    public void addEventListener(PowermaxMessageEventListener listener);
+    void addEventListener(PowermaxMessageEventListener listener);
 
     /**
      * Method for removing an event listener
      *
      * @param listener the listener to be removed
      */
-    public void removeEventListener(PowermaxMessageEventListener listener);
+    void removeEventListener(PowermaxMessageEventListener listener);
 }

bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/message/PowermaxMessageEventListener.java

@@ -30,10 +30,10 @@ public interface PowermaxMessageEventListener extends EventListener {
      *
      * @param event the event object
      */
-    public void onNewMessageEvent(EventObject event);
+    void onNewMessageEvent(EventObject event);
 
     /**
      * Event handler method to indicate that communication has been lost
      */
-    public void onCommunicationFailure(String message);
+    void onCommunicationFailure(String message);
 }

bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/state/PowermaxPanelSettingsListener.java

@@ -30,7 +30,7 @@ public interface PowermaxPanelSettingsListener {
      *
      * @param settings the updated alarm panel settings or null if the panel settings are unknown
      */
-    public void onPanelSettingsUpdated(@Nullable PowermaxPanelSettings settings);
+    void onPanelSettingsUpdated(@Nullable PowermaxPanelSettings settings);
 
     /**
      * This method is called when the bridge thing handler identifies
@@ -39,5 +39,5 @@ public interface PowermaxPanelSettingsListener {
      * @param zoneNumber the zone number
      * @param settings the updated alarm panel settings or null if the panel settings are unknown
      */
-    public void onZoneSettingsUpdated(int zoneNumber, @Nullable PowermaxPanelSettings settings);
+    void onZoneSettingsUpdated(int zoneNumber, @Nullable PowermaxPanelSettings settings);
 }

bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/state/PowermaxStateEventListener.java

@@ -30,10 +30,10 @@ public interface PowermaxStateEventListener extends EventListener {
      *
      * @param event the event object
      */
-    public void onNewStateEvent(EventObject event);
+    void onNewStateEvent(EventObject event);
 
     /**
      * Event handler method to indicate that communication has been lost
      */
-    public void onCommunicationFailure(String message);
+    void onCommunicationFailure(String message);
 }