java: remove unused variables

Change-Id: I1b04fbf4d4562ff8e74f6ccdb2fd989d79cc869b

scripting/java/com/sun/star/script/framework/io/UCBStreamHandler.java

@@ -99,8 +99,6 @@ public class UCBStreamHandler extends URLStreamHandler {
                 String sUrl = url.toString();
                 if ( !( sUrl.lastIndexOf(separator) == -1) ) {
                     String path = sUrl.substring(0, sUrl.lastIndexOf(separator));
-                    String file = sUrl.substring(
-                        sUrl.lastIndexOf(separator) + separator.length());
 
                     if ( m_xSimpleFileAccess.isReadOnly( path ) )
                     {

scripting/java/com/sun/star/script/framework/io/XInputStreamImpl.java

@@ -70,10 +70,9 @@ public class XInputStreamImpl implements XInputStream
 
     public void skipBytes( /*IN*/int nBytesToSkip ) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException
     {
-        long bytesSkipped = 0;
         try
         {
-            bytesSkipped = is.skip( nBytesToSkip );
+            is.skip( nBytesToSkip );
         }
         catch ( IOException e )
         {

scripting/java/com/sun/star/script/framework/provider/beanshell/PlainSourceView.java

@@ -201,7 +201,6 @@ class GlyphGutter extends JComponent {
         for (int i = startLine; i < endLine; i++) {
             String text;
             text = Integer.toString(i + 1) + " ";
-            int w = metrics.stringWidth(text);
             int y = i * h;
             g.setColor(Color.blue);
             g.drawString(text, 0, y + ascent);