init: Remove "select SRCU"

Now that the SRCU Kconfig option is unconditionally selected, there is
no longer any point in selecting it.  Therefore, remove the "select SRCU"
Kconfig statements.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Nick Desaulniers <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Nathan Chancellor <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Cc: Aaron Tomlin <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Christophe Leroy <[email protected]>
Reviewed-by: Nick Desaulniers <[email protected]>
Reviewed-by: John Ogness <[email protected]>

Author: paulmckrcu

init/Kconfig

@@ -1865,7 +1865,6 @@ config PERF_EVENTS
 	default y if PROFILING
 	depends on HAVE_PERF_EVENTS
 	select IRQ_WORK
-	select SRCU
 	help
 	  Enable kernel support for various performance events provided
 	  by software and hardware.