Fix wording of megacli changelog entry.
NOTE: We are deprecating several collectors in this release.
* `gmond` - Out of scope.
- * `megacli` - Requires forking, moved to textfile collection.
+ * `megacli` - Requires forking, to be moved to textfile collection.
* `ntp` - Out of scope.
* [FEATURE] Add loadavg collector for Solaris #311
