linux: config: drop CONFIG_IKHEADERS ci build failure

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

04_build_linux.sh

@@ -49,11 +49,6 @@ if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
 	./scripts/config --enable CONFIG_TASK_DELAY_ACCT
 	./scripts/config --enable CONFIG_TASK_XACCT
 
-	#
-	# RCU Subsystem
-	#
-	./scripts/config --module CONFIG_IKHEADERS
-
 	#
 	# Scheduler features
 	#

patches/linux/mpfs_defconfig

@@ -130,7 +130,7 @@ CONFIG_RCU_NEED_SEGCBLIST=y
 
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-CONFIG_IKHEADERS=m
+# CONFIG_IKHEADERS is not set
 CONFIG_LOG_BUF_SHIFT=17
 CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
 CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13