Improve javadoc for all addons (#15667)

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

bundles/org.openhab.io.homekit/src/main/java/org/openhab/io/homekit/internal/accessories/AbstractHomekitAccessoryImpl.java

@@ -332,7 +332,6 @@ public abstract class AbstractHomekitAccessoryImpl implements HomekitAccessory {
      * If the primary service does not yet exist, it won't be added to it. It's the resposibility
      * of the caller to add characteristics when the primary service is created.
      *
-     * @param type
      * @param characteristic
      */
     @NonNullByDefault

bundles/org.openhab.io.homekit/src/main/java/org/openhab/io/homekit/internal/accessories/HomekitCharacteristicFactory.java

@@ -346,7 +346,7 @@ public class HomekitCharacteristicFactory {
      * Takes item state as value and retrieves the key for that value from mapping.
      * E.g. used to map StringItem value to HomeKit Enum
      *
-     * @param characteristicType characteristicType to identify item
+     * @param item item
      * @param mapping mapping
      * @param defaultValue default value if nothing found in mapping
      * @param <T> type of the result derived from