arch: arc: no need of default n for arc_connect

as suggested in comments of PR #17747, no need of default n
for arc_connect

Signed-off-by: Wayne Ren <[email protected]>

Author: Wayne Ren

arch/arc/Kconfig

@@ -106,7 +106,6 @@ config 	ARC_HAS_STACK_CHECKING
 config	ARC_CONNECT
 	bool "ARC has ARC connect"
 	select SCHED_IPI_SUPPORTED
-	default n
 	help
 	  ARC is configured with ARC CONNECT which is a hardware for connecting
 	  multi cores.