fix javadoc warnings

src/main/java/net/schmizz/concurrent/Event.java

@@ -73,8 +73,8 @@ public class Event<T extends Throwable> {
     }
 
     /**
-     * @return whether this event is in a 'set' state. An event is set by a call to {@link set()} or {@link
-     *         deliverError}
+     * @return whether this event is in a 'set' state. An event is set by a call to {@link #set} or {@link
+     *         #deliverError}
      */
     public boolean isSet() {
         return promise.isDelivered();

src/main/java/net/schmizz/sshj/xfer/LocalDestFile.java

@@ -45,7 +45,6 @@ public interface LocalDestFile {
     /**
      * Set the permissions for the underlying file.
      *
-     * @param f     the file
      * @param perms permissions e.g. 0644
      *
      * @throws IOException
@@ -66,7 +65,6 @@ public interface LocalDestFile {
     /**
      * Set the last modified time for the underlying file.
      *
-     * @param f the file
      * @param t time in seconds since Unix epoch
      *
      * @throws IOException