Removed mentions of deprecated LURL-db.

Thanks to LA_FORGE asking about if on YaCy forum (
http://forum.yacy-websuche.de/viewtopic.php?f=5&t=5895 )

htroot/yacy/urls.java

@@ -101,7 +101,7 @@ public class urls {
         }
 
         if (post.get("call", "").equals("urlhashlist")) {
-            // retrieve a list of urls from the LURL-db by a given list of url hashes
+            // retrieve a list of urls from the local index by a given list of url hashes
             final String urlhashes = post.get("hashes", "");
             if (urlhashes.length() % 12 != 0) return prop;
             final int count = urlhashes.length() / 12;

source/net/yacy/crawler/CrawlStacker.java

@@ -417,7 +417,7 @@ public final class CrawlStacker {
                 CrawlStacker.log.fine("RE-CRAWL of URL '" + urlstring + "': this url was crawled " +
                     ((System.currentTimeMillis() - oldDate.longValue()) / 60000 / 60 / 24) + " days ago.");
         } else {
-            return "double in: LURL-DB, oldDate = " + oldDate.toString();
+            return "double in: local index, oldDate = " + oldDate.toString();
         }
 
         return null;

source/net/yacy/search/index/Segment.java

@@ -138,7 +138,6 @@ public class Segment {
         this.segmentPath = segmentPath;
         archivePath.mkdirs();
         
-        // create LURL-db
         this.fulltext = new Fulltext(segmentPath, archivePath, collectionConfiguration, webgraphConfiguration);
         this.termIndex = null;
         this.urlCitationIndex = null;