PHPDoc: Correct marker in one class header
Summary:
This is PHPDoc for a class header. Thus there is no `@param` to pass.
Phorge specific `@task info` was meant here. See other examples in classes.
Test Plan: Read and grep the code.
Reviewers: O1 Blessed Committers, valerio.bozzolan
Reviewed By: O1 Blessed Committers, valerio.bozzolan
Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno
Differential Revision: https://we.phorge.it/D25954