java:no need to explicitly create these constructors

the compiler will do it for you

Change-Id: I770670e70a43664a87ce28b48fc822d891d8fb41

bridges/test/java_uno/any/TestAny.java

@@ -2210,7 +2210,6 @@ final class TestAny {
     }
 
     private static class BaseException extends com.sun.star.uno.Exception {
-        public BaseException() {}
 
         @Override
         public boolean equals(Object obj) {
@@ -2219,7 +2218,6 @@ final class TestAny {
     }
 
     private static class DerivedException extends BaseException {
-        public DerivedException() {}
 
         @Override
         public boolean equals(Object obj) {
@@ -2230,8 +2228,6 @@ final class TestAny {
     private static class BaseRuntimeException
         extends com.sun.star.uno.RuntimeException
     {
-        public BaseRuntimeException() {}
-
         @Override
         public boolean equals(Object obj) {
             return obj != null
@@ -2241,8 +2237,6 @@ final class TestAny {
 
     private static class DerivedRuntimeException extends BaseRuntimeException
     {
-        public DerivedRuntimeException() {}
-
         @Override
         public boolean equals(Object obj) {
             return obj != null

javaunohelper/test/com/sun/star/lib/uno/helper/AWeakBase.java

@@ -24,10 +24,6 @@ public class AWeakBase extends WeakBase implements XEventListener
 {
     public int nDisposingCalled= 0;
 
-    public AWeakBase()
-    {
-    }
-
     public void disposing(com.sun.star.lang.EventObject eventObject)
     {
         nDisposingCalled++;

qadevOOo/runner/helper/WindowListener.java

@@ -23,12 +23,6 @@ package helper;
  */
 public class WindowListener implements com.sun.star.awt.XWindowListener {
 
-    /**
-     * Creates a new WindowListener
-     */
-    public WindowListener() {
-    }
-
     /**
      * The window hidden event
      */

qadevOOo/runner/util/DBTools.java

@@ -122,13 +122,6 @@ public class DBTools {
         */
         private String[] TableFilter = null ;
 
-        /**
-        * Creates an empty instance.
-        */
-        public DataSourceInfo()
-        {
-        }
-
         /**
         * Creates new <code>com.sun.star.sdb.DataSource</code> service
         * instance and copies all fields (which are not null) to