cleanup conversion class

ch.psi.fda/src/main/java/ch/psi/fda/co/ConversionEngine.java

@@ -46,10 +46,8 @@ import ch.psi.fda.serializer.DataSerializerTXT2D;
 import ch.psi.fda.serializer.DataSerializerTXTSplit;
 
 /**
- * Visualize data according to the scan description
- * 
+ * Converter to convert the format of datafiles
  * @author ebner
- *
  */
 public class ConversionEngine {
 
@@ -59,11 +57,6 @@ public class ConversionEngine {
 	public enum Writer {TXT, TXT_2D, TXT_SPLIT, MAT, MAT_2D, MDA, MAT_2D_Z};
 	public enum Reader {TXT, MDA};
 	
-	/**
-	 * Default constructor
-	 */
-	public ConversionEngine(){
-	}
 	
 	/**
 	 * Visualize data