removes unused Survey class

/* legacy from copy of DataCube.Survey

 * FIXME equivalent to Subsurvey.java : keep only one of them */

import java.io.UnsupportedEncodingException;

/*static*/ class Survey {

   double rf ;        // rest frequency

   String surveyname; // surveyname

   String species;

   String transition;

   String rf_unit;

   String vel_unit;

   String description;

   Survey(){

      this.rf          = 0.0;

      this.surveyname  = null;

      this.species     = null;

      this.transition  = null;

      this.rf_unit     = null;

      this.vel_unit    = null;

      this.description = null;

   }

   Survey(Survey arg_s){

      this.rf          = arg_s.rf;

      this.surveyname  = arg_s.surveyname;

      this.species     = arg_s.species;

      this.transition  = arg_s.transition;

      this.rf_unit     = arg_s.rf_unit;

      this.vel_unit    = arg_s.vel_unit;

      try{

         this.description = new String(arg_s.description.getBytes("ISO-8859-1"), "UTF-8");

         //this.description = arg_s.description;

      }

      catch (UnsupportedEncodingException ex)

      {

         ex.printStackTrace();

      }

   }

   String id() { return (this.surveyname + " " + this.species + " "  + this.transition); }

   boolean matches(String id) { return id.equals(this.id()); }

/*

   void toXML(PrintWriter writer){

      // replace with escape the XML-predefined entities:

      // <, >, &, %

      description = description.replace("&","&");

      description = description.replace("<","&lt;");

      description = description.replace(">",">");

      description = description.replace("%","%");

      writer.println("<Description>"  + description + "</Description>");

      writer.println("<Survey>"       + surveyname  + "</Survey>");

      writer.println("<Species>"      + species     + "</Species>");

      writer.println("<Transition>"   + transition  + "</Transition>");

      writer.println("<RestFreq>");

      writer.println("<value>"        + rf          + "</value>");

      writer.println("<unit>"         + rf_unit     + "</unit>");

      writer.println("</RestFreq>");

      writer.println("<VelocityUnit>" + vel_unit    + "</VelocityUnit>");

   }

*/

}