lib/imd_cbmem: remove unused funciton

The cbmem_fail_recovery() function was no longer used. I'm not sure
why the compiler never complained. Regardless, delete it.

Change-Id: I7d94118068064c61252d1b5ca9d8e92658a699e0
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/20856
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/lib/imd_cbmem.c

@@ -131,13 +131,6 @@ void cbmem_initialize_empty_id_size(u32 id, u64 size)
 	cbmem_run_init_hooks(no_recovery);
 }
 
-static inline int cbmem_fail_recovery(void)
-{
-	cbmem_initialize_empty();
-	cbmem_fail_resume();
-	return 1;
-}
-
 int cbmem_initialize(void)
 {
 	return cbmem_initialize_id_size(0, 0);