JAMES-3502, use the version in root pom
diff --git a/backends-common/rabbitmq/pom.xml b/backends-common/rabbitmq/pom.xml
index 87c7a74..48d49f4 100644
--- a/backends-common/rabbitmq/pom.xml
+++ b/backends-common/rabbitmq/pom.xml
@@ -96,7 +96,6 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>