Remove a non-existent feature from the list of features to boot on startup

The ConfigAdmin service is automatically loaded already
diff --git a/assembly/src/main/filtered-resources/etc/org.apache.karaf.features.cfg b/assembly/src/main/filtered-resources/etc/org.apache.karaf.features.cfg
index d0f6270..728c2b2 100644
--- a/assembly/src/main/filtered-resources/etc/org.apache.karaf.features.cfg
+++ b/assembly/src/main/filtered-resources/etc/org.apache.karaf.features.cfg
@@ -16,4 +16,4 @@
 #
 featuresRepositories=mvn:org.apache.jclouds.karaf/jclouds-karaf/${jclouds.karaf.version}/xml/features
 
-featuresBoot=config,jclouds-chef,jclouds-aws-ec2,jclouds-aws-s3
\ No newline at end of file
+featuresBoot=jclouds-chef,jclouds-aws-ec2,jclouds-aws-s3
\ No newline at end of file