[PATCH v2 1/4] sched: Cleanup qos scheduler defines from rte_config

[Dumitrescu, Cristian]

> > -/* rte_sched defines */
> > -#undef RTE_SCHED_CMAN
> 
> So what is the purpose of the code under RTE_SCHED_CMAN #ifdef?
> Is it a dead code? Should it be enabled with a hidden option?
> 

We want to keep congestion management enabled through CFLAGS for now, as we have a bit more homework to do on understanding the performance impact to enable the feature at build-time; we'll follow-up on this for next release. Right, Megha?