sched: Update MAINTAINERS

[Peter Zijlstra]

  Thank you for having been our friend!

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19929,7 +19929,6 @@ R:	Dietmar Eggemann <dietmar.eggemann@ar
 R:	Steven Rostedt <rostedt@xxxxxxxxxxx> (SCHED_FIFO/SCHED_RR)
 R:	Ben Segall <bsegall@xxxxxxxxxx> (CONFIG_CFS_BANDWIDTH)
 R:	Mel Gorman <mgorman@xxxxxxx> (CONFIG_NUMA_BALANCING)
-R:	Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> (SCHED_DEADLINE)
 R:	Valentin Schneider <vschneid@xxxxxxxxxx> (TOPOLOGY)
 L:	linux-kernel@xxxxxxxxxxxxxxx
 S:	Maintained