removed clearURLIndex, which is a stub remaining from the old metadata

database and not needed any more

htroot/IndexControlURLs_p.java

@@ -148,7 +148,6 @@ public class IndexControlURLs_p {
         // delete everything
         if ( post.containsKey("deletecomplete") ) {
             if ( post.get("deleteIndex", "").equals("on") ) {
-                segment.fulltext().clearURLIndex();
                 try {segment.fulltext().clearLocalSolr();} catch (final IOException e) {}
             }
             if ( post.get("deleteRemoteSolr", "").equals("on")) {

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

@@ -213,13 +213,8 @@ public final class Fulltext {
         this.statsDump = null;
     }
 
-    public void clearURLIndex() {
-        if (this.exportthread != null) this.exportthread.interrupt();
-        this.statsDump = null;
-        this.commit(true);
-    }
-
     public void clearLocalSolr() throws IOException {
+        if (this.exportthread != null) this.exportthread.interrupt();
         synchronized (this.solrInstances) {
             EmbeddedInstance instance = this.solrInstances.getEmbedded();
             if (instance != null) {

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

@@ -530,7 +530,6 @@ public class Segment {
     public void clear() {
         try {
             if (this.termIndex != null) this.termIndex.clear();
-            if (this.fulltext != null) this.fulltext.clearURLIndex();
             if (this.fulltext != null) this.fulltext.clearLocalSolr();
             if (this.fulltext != null) this.fulltext.clearRemoteSolr();
             if (this.urlCitationIndex != null) this.urlCitationIndex.clear();