Remove a copy-n-paste problem in HConfigDestroy() API doc where it

talked about the `noGarbage` argument. HConfig does not connect to the
ESMF garbage collection and the Destroy() call does not have this
argument.

src/Infrastructure/HConfig/interface/ESMF_HConfig.F90

@@ -8196,10 +8196,6 @@ subroutine ESMF_HConfigDestroy(hconfig, keywordEnforcer, rc)
 !   Destroys an {\tt ESMF\_HConfig}, releasing the resources associated
 !   with the object.
 !
-!   By default a small remnant of the object is kept in memory in order to
-!   prevent problems with dangling aliases. The default garbage collection
-!   mechanism can be overridden with the {\tt noGarbage} argument.
-!
 ! The arguments are:
 ! \begin{description}
 ! \item[hconfig]