Updating comment

Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

plugins/cache-ehcache/src/test/java/org/opensearch/cache/store/disk/EhcacheThreadLeakFilter.java

@@ -14,7 +14,7 @@
  * In Ehcache(as of 3.10.8), while calling remove/invalidate() on entries causes to start a daemon thread in the
  * background to clean up the stale offheap memory associated with the disk cache. And this thread is not closed even
  * after we try to close the cache or cache manager. Considering that it requires a node restart to switch between
- * different cache plugins, this shouldn't be a problem for now. Will be following up with ehcache on this.
+ * different cache plugins, this shouldn't be a problem for now.
  *
  * See: https://github.com/ehcache/ehcache3/issues/3204
  */