Updated search Krill and removed Lucene

Change-Id: Ide726436e43c7308511cb8b65be76ffadeb951b5
diff --git a/pom.xml b/pom.xml
index eec7033..f10c3d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
 		<jetty.version>11.0.19</jetty.version>
 		<flyway.version>10.6.0</flyway.version>
 		<log4j.version>2.22.1</log4j.version>
-		<krill.version>[0.62.0,)</krill.version>
+		<krill.version>[0.62.2,)</krill.version>
 		<koral.version>[0.42,)</koral.version>
 	</properties>
 	<profiles>
diff --git a/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java b/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java
index 38e9c9a..d2b870c 100644
--- a/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java
+++ b/src/main/java/de/ids_mannheim/korap/web/SearchKrill.java
@@ -10,7 +10,6 @@
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.apache.lucene.store.MMapDirectory;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
@@ -54,7 +53,7 @@
                     jlog.error("Index not found: " + path + "!");
                     System.exit(-1);
                 }
-                index = new KrillIndex(new MMapDirectory(Paths.get(path)));
+                index = new KrillIndex(Paths.get(path));
             };
         }
         catch (IOException e) {