Removed unused classes.

test/net/sf/briar/transport/batch/TestBatchTransportReader.java

-package net.sf.briar.transport.batch;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-import net.sf.briar.api.transport.batch.BatchTransportReader;
-
-class TestBatchTransportReader implements BatchTransportReader {
-
-	private final InputStream in;
-
-	TestBatchTransportReader(InputStream in) {
-		this.in = in;
-	}
-
-	public InputStream getInputStream() {
-		return in;
-	}
-
-	public void dispose() throws IOException {
-		// The input stream may have been left open
-		in.close();
-	}
-}

test/net/sf/briar/transport/batch/TestBatchTransportWriter.java

-package net.sf.briar.transport.batch;
-
-import java.io.IOException;
-import java.io.OutputStream;
-
-import net.sf.briar.api.transport.batch.BatchTransportWriter;
-
-class TestBatchTransportWriter implements BatchTransportWriter {
-
-	private final OutputStream out;
-	private final int capacity;
-
-	TestBatchTransportWriter(OutputStream out, int capacity) {
-		this.out = out;
-		this.capacity = capacity;
-	}
-
-	public long getCapacity() {
-		return capacity;
-	}
-
-	public OutputStream getOutputStream() {
-		return out;
-	}
-
-	public void finish() throws IOException {
-		// Nothing to do
-	}
-
-	public void dispose() throws IOException {
-		// The output stream may have been left open
-		out.close();
-	}
-}