iluwatar#590 Fix PMD issue

Author: iluwatar

adapter/src/main/java/com/iluwatar/adapter/FishingBoatAdapter.java

@@ -22,9 +22,6 @@
  */
 package com.iluwatar.adapter;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 /**
  *
  * Adapter class. Adapts the interface of the device ({@link FishingBoat}) into {@link RowingBoat}
@@ -33,8 +30,6 @@
  */
 public class FishingBoatAdapter implements RowingBoat {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(FishingBoatAdapter.class);
-
   private FishingBoat boat;
 
   public FishingBoatAdapter() {