ext4: remove tracing for FALLOC_FL_NO_HIDE_STALE

FALLOC_FL_NO_HIDE_STALE can't make it past vfs_fallocate (and if the
flag does what the name implies that's a good thing as it would be
highly dangerous). Remove the dead tracing code for it.

Signed-off-by: Christoph Hellwig <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Jan Kara <[e-mail]>
Signed-off-by: Christian Brauner <[e-mail]>

include/trace/events/ext4.h

···
 #define show_falloc_mode(mode) __print_flags(mode, "|",		\
 	{ FALLOC_FL_KEEP_SIZE,		"KEEP_SIZE"},		\
 	{ FALLOC_FL_PUNCH_HOLE,		"PUNCH_HOLE"},		\
-	{ FALLOC_FL_NO_HIDE_STALE,	"NO_HIDE_STALE"},	\
 	{ FALLOC_FL_COLLAPSE_RANGE,	"COLLAPSE_RANGE"},	\
 	{ FALLOC_FL_ZERO_RANGE,		"ZERO_RANGE"})