Remove singleton annotation from Properties class
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
index 5b26d23..406edac 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
@@ -6,7 +6,6 @@
 import com.google.gerrit.server.config.PluginConfig;
 import com.google.gerrit.server.config.PluginConfigFactory;
 import com.google.inject.Inject;
-import com.google.inject.Singleton;
 
 import com.rabbitmq.client.AMQP;
 
@@ -17,7 +16,6 @@
 import java.util.HashMap;
 import java.util.Map;
 
-@Singleton
 public class Properties {
 
   private final static String GERRIT = "gerrit";