remove method to create a query based on tags

was only used in tests

pdb-api/src/main/java/org/lucares/pdb/api/Query.java

@@ -1,8 +1,5 @@
 package org.lucares.pdb.api;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class Query {
     private final String query;
 
@@ -42,25 +39,6 @@ public class Query {
         return new Query(query, dateRange);
     }
 
-    public static Query createQuery(final Tags tags, final DateTimeRange dateRange) {
-
-        final List<String> terms = new ArrayList<>();
-
-        for (final String key : tags.getKeys()) {
-            final String value = tags.getValue(key);
-
-            final StringBuilder term = new StringBuilder();
-            term.append(key);
-            term.append("=");
-            term.append(value);
-            term.append(" ");
-
-            terms.add(term.toString());
-        }
-
-        return new Query(String.join(" and ", terms), dateRange);
-    }
-
     public String getQuery() {
         return query;
     }