Value returned from a function is not checked for errors before being used

Defect 99831 (STATIC_C)
Checker CHECKED_RETURN (subcategory none)
File: /src/mongo/db/repl/replication_coordinator_impl.cpp
Function mongo::repl::ReplicationCoordinatorImpl::WaiterInfoGuard::~WaiterInfoGuard()
/src/mongo/db/repl/replication_coordinator_impl.cpp, line: 219
Calling "remove_inlock" without checking return value (as is done elsewhere 1 out of 2 times).

            _list->remove_inlock(&waiter);