lkdtm: remove IDE_CORE_CP crashpoint

With the removal of the legacy IDE driver in kb7fb14d3ac63 ("ide: remove
the legacy ide driver"), this crashpoint no longer points to a valid
function.

Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kevin Mitchell <kevmitch@arista.com>
Link: https://lore.kernel.org/r/20210819022940.561875-3-kevmitch@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/fault-injection/provoke-crashes.rst

@@ -29,8 +29,7 @@ recur_count
 cpoint_name
 	Where in the kernel to trigger the action. It can be
 	one of INT_HARDWARE_ENTRY, INT_HW_IRQ_EN, INT_TASKLET_ENTRY,
-	FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_QUEUE_RQ,
-	IDE_CORE_CP, or DIRECT
+	FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_QUEUE_RQ, or DIRECT.
 
 cpoint_type
 	Indicates the action to be taken on hitting the crash point.

drivers/misc/lkdtm/core.c

@@ -82,7 +82,6 @@ static struct crashpoint crashpoints[] = {
 	CRASHPOINT("MEM_SWAPOUT",	 "shrink_inactive_list"),
 	CRASHPOINT("TIMERADD",		 "hrtimer_start"),
 	CRASHPOINT("SCSI_QUEUE_RQ",	 "scsi_queue_rq"),
-	CRASHPOINT("IDE_CORE_CP",	 "generic_ide_ioctl"),
 #endif
 };