update jar and clean some code

build/built-jar.properties

@@ -1,4 +1,4 @@
-#Wed, 30 Jan 2019 20:03:25 -0600
+#Thu, 31 Jan 2019 16:42:40 -0600
 
 
-C\:\\Users\\cd109\\Desktop\\apcs\\Projects\\chapter-03\\CancerGrowth=
+C\:\\Users\\cd109\\Desktop\\CancerGrowth=

nbproject/private/private.xml

@@ -3,9 +3,8 @@
     <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/2" lastBookmarkId="0"/>
     <open-files xmlns="http://www.netbeans.org/ns/projectui-open-files/2">
         <group>
-            <file>file:/C:/Users/cd109/Desktop/apcs/Projects/chapter-03/CancerGrowth/src/cancergrowth/CellPanel.java</file>
-            <file>file:/C:/Users/cd109/Desktop/apcs/Projects/chapter-03/CancerGrowth/src/cancergrowth/CancerGrowth.java</file>
-            <file>file:/C:/Users/cd109/Desktop/apcs/Projects/chapter-03/CancerGrowth/src/cancergrowth/Cell.java</file>
+            <file>file:/C:/Users/cd109/Desktop/CancerGrowth/src/cancergrowth/Cell.java</file>
+            <file>file:/C:/Users/cd109/Desktop/CancerGrowth/src/cancergrowth/CellPanel.java</file>
         </group>
     </open-files>
 </project-private>

src/cancergrowth/CellPanel.java

@@ -21,13 +21,9 @@ import javax.swing.event.ChangeListener;
 public class CellPanel extends javax.swing.JPanel implements ActionListener, ChangeListener
 {
   private Timer swingTimer;
-  //private JButton go;
-  //private JSlider speed;
   private int delay;
   private boolean growing = false;
-  int count = 0;
-  long time0 = System.nanoTime();
-  long time1 = time0;
+  private int count = 0;
   private boolean draw = false;
   
   ArrayList<Cell> cells = new ArrayList<Cell>();
@@ -60,8 +56,6 @@ public class CellPanel extends javax.swing.JPanel implements ActionListener, Cha
   @Override
   public void actionPerformed(ActionEvent e)
   {
-    time1 = System.nanoTime() - time0;
-    time0 = System.nanoTime();
     if (swingTimer.isRunning())
       {     
         speed.setEnabled(true);