Remove unused import

Author: dhadka

.classpath

@@ -24,9 +24,8 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-18">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
 		<attributes>
-			<attribute name="module" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>

src/main/java/org/moeaframework/algorithm/pisa/State.java

@@ -24,8 +24,6 @@
 import java.io.IOException;
 import java.io.PrintWriter;
 
-import org.moeaframework.core.Settings;
-
 /**
  * Reads and writes PISA state files.
  */