Revert "introduce indexes"

This reverts commit 36ccc57db6.

pdb-ui/src/main/java/org/lucares/pdbui/CsvReaderSettings.java

@@ -166,8 +166,6 @@ public final class CsvReaderSettings {
 
     private String comment = "#";
 
-    private String indexId = "default";
-
     public CsvReaderSettings() {
         this("@timestamp", "duration", ",", new ColumnDefinitions());
     }
@@ -236,14 +234,6 @@ public final class CsvReaderSettings {
         return bytes[0];
     }
 
-    public void setIndexId(final String indexId) {
-        this.indexId = indexId;
-    }
-
-    public String getIndexId() {
-        return indexId;
-    }
-
     public void putAdditionalTag(final String field, final String value) {
         additionalTags.put(field, value);
     }
@@ -263,4 +253,5 @@ public final class CsvReaderSettings {
     public void setColumnDefinitions(final ColumnDefinitions columnDefinitions) {
         this.columnDefinitions = columnDefinitions;
     }
+
 }