remove unused method

src/main/java/environment/Basin.java

@@ -105,13 +105,6 @@ public class Basin implements Position, Comparable<Basin> {
 	 */
 	private Map<DiadromousFishGroup, List<DiadromousFish>> fishPerGroup;
 
-	/**
-	 * effective of fish present in the basin for each group
-	 * 
-	 * @unit
-	 */
-	private Map<DiadromousFishGroup, Long> effectivePerGroup;
-
 	public Basin(int id, String name, double winterTemperature, double springTemperature, double summerTemperature,
 			double fallTemperature) {
 		this.id = id;
@@ -124,7 +117,6 @@ public class Basin implements Position, Comparable<Basin> {
 		this.shape = new Path2D.Double();
 
 		fishPerGroup = new TreeMap<DiadromousFishGroup, List<DiadromousFish>>();
-		effectivePerGroup = new TreeMap<DiadromousFishGroup, Long>();
 		neighboursDistances = new TreeMap<Basin, Double>();
 	}
 
@@ -136,7 +128,7 @@ public class Basin implements Position, Comparable<Basin> {
 		this.shape = new Path2D.Double();
 
 		fishPerGroup = new TreeMap<DiadromousFishGroup, List<DiadromousFish>>();
-		effectivePerGroup = new TreeMap<DiadromousFishGroup, Long>();
+
 		neighboursDistances = new TreeMap<Basin, Double>();
 	}
 
@@ -187,18 +179,6 @@ public class Basin implements Position, Comparable<Basin> {
 	}
 
 
-	@Deprecated
-	public void updateEffective() {
-		for (DiadromousFishGroup group : fishPerGroup.keySet()) {
-			long eff = 0;
-			for (DiadromousFish fish : fishPerGroup.get(group)) {
-				eff += fish.getAmount();
-			}
-			effectivePerGroup.put(group, eff);
-		}
-	}
-
-
 	public Map<DiadromousFishGroup, List<DiadromousFish>> getFishPerGroup() {
 		return fishPerGroup;
 	}