Revert "timer: delay waking softirqs from the jiffy tick"

[ Upstream commit b5b16907c58280e015d5673dca4c6bd3fde0c348 ]

This patch was required as long as RT tasks where accounted to CFS
load but this was only a work around. Upstream Commit 17bdcf94
("sched: Drop all load weight manipulation for RT tasks") fixed the
accounting of RT tasks into CFS load.

Remove the patch and fix dependencies.

Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>