Build: Fix artifactId of qa/smoke-test-plugins.

Original commit: elastic/x-pack-elasticsearch@c84753e933

qa/pom.xml

@@ -19,6 +19,9 @@
     </parent>
 
     <properties>
+        <!-- we aren't really a plugin... -->
+        <!-- TODO: its just the plugin props check we really should disable -->
+        <enforcer.skip>true</enforcer.skip>
     </properties>
 
     <dependencies>

qa/smoke-test-plugins/pom.xml

@@ -6,7 +6,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
-    <groupId>org.elasticsearch.plugin.qa</groupId>
+    <groupId>org.elasticsearch.qa</groupId>
     <artifactId>x-plugins-qa</artifactId>
     <version>2.0.0-beta1-SNAPSHOT</version>
   </parent>