Drop unmerged item from CHANGELOG

Author: adrienthebo

CHANGELOG.md

@@ -15,7 +15,6 @@ Extending the adopted spec, each change should have a link to its corresponding
 * Add `remove_default_node_pool` set to `false` by default. Fixes [#15]. [#55]
 * Allow arbitrary key-value pairs to be set on node pool metadata. [#52]
 * Add `initial_node_count` parameter to node_pool block. [#60]
-* Add test tasks to allow for parallelized local testing runs using Concourse [#109]
 
 ### Changed
 * Set `horizontal_pod_autoscaling` to `true` by default. Fixes [#42]. [#54]