Remove redundant modifiers from interfaces (#14843)

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

bundles/org.openhab.binding.modbus/src/main/java/org/openhab/binding/modbus/discovery/ModbusDiscoveryListener.java

@@ -34,12 +34,12 @@ public interface ModbusDiscoveryListener {
      * Discovery participant should call this method when a new
      * thing has been discovered
      */
-    public void thingDiscovered(DiscoveryResult result);
+    void thingDiscovered(DiscoveryResult result);
 
     /**
      * This method should be called once the discovery has been finished
      * or aborted by any error.
      * It is important to call this even when there were no things discovered.
      */
-    public void discoveryFinished();
+    void discoveryFinished();
 }

bundles/org.openhab.binding.modbus/src/main/java/org/openhab/binding/modbus/discovery/ModbusDiscoveryParticipant.java

@@ -37,12 +37,12 @@ public interface ModbusDiscoveryParticipant {
      *
      * @return a set of thing type UIDs for which results can be created
      */
-    public Set<ThingTypeUID> getSupportedThingTypeUIDs();
+    Set<ThingTypeUID> getSupportedThingTypeUIDs();
 
     /**
      * Start an asynchronous discovery process of a Modbus endpoint
      *
      * @param handler the endpoint that should be discovered
      */
-    public void startDiscovery(ModbusEndpointThingHandler handler, ModbusDiscoveryListener listener);
+    void startDiscovery(ModbusEndpointThingHandler handler, ModbusDiscoveryListener listener);
 }

bundles/org.openhab.binding.modbus/src/main/java/org/openhab/binding/modbus/discovery/internal/ModbusThingHandlerDiscoveryService.java

@@ -32,12 +32,12 @@ public interface ModbusThingHandlerDiscoveryService extends ThingHandlerService
      * @param service the discovery service that should be called when the discovery is finished
      * @return returns true if discovery is enabled, false otherwise
      */
-    public boolean startScan(ModbusDiscoveryService service);
+    boolean startScan(ModbusDiscoveryService service);
 
     /**
      * This method should return true, if an async scan is in progress
      *
      * @return true if a scan is in progress false otherwise
      */
-    public boolean scanInProgress();
+    boolean scanInProgress();
 }

bundles/org.openhab.binding.modbus/src/main/java/org/openhab/binding/modbus/handler/ModbusEndpointThingHandler.java

@@ -34,7 +34,8 @@ public interface ModbusEndpointThingHandler extends Identifiable<ThingUID> {
      *
      * @return communication interface represented by this thing handler
      */
-    public @Nullable ModbusCommunicationInterface getCommunicationInterface();
+    @Nullable
+    ModbusCommunicationInterface getCommunicationInterface();
 
     /**
      * Get Slave ID, also called as unit id, represented by the thing
@@ -42,12 +43,12 @@ public interface ModbusEndpointThingHandler extends Identifiable<ThingUID> {
      * @return slave id represented by this thing handler
      * @throws EndpointNotInitializedException in case the initialization is not complete
      */
-    public int getSlaveId() throws EndpointNotInitializedException;
+    int getSlaveId() throws EndpointNotInitializedException;
 
     /**
      * Return true if auto discovery is enabled for this endpoint
      *
      * @return boolean true if the discovery is enabled
      */
-    public boolean isDiscoveryEnabled();
+    boolean isDiscoveryEnabled();
 }