Remove main from Indexer

src/main/java/org/RI/P2/Indexer.java

@@ -132,18 +132,4 @@ public class Indexer {
         commitChanges();
     }
 
-    private static void usage() {
-        System.out.println("Usage: Indexer <directory>");
-        System.exit(1);
-    }
-
-    public static void main(String[] args) throws ParseException, IOException {
-        if (args.length != 1) {
-            usage();
-        }
-        String dataDirectory = args[0];
-        String indexDirectory = ".index";
-        Indexer indexer = new Indexer(dataDirectory, indexDirectory);
-        indexer.populateIndex();
-    }
 }