lib/hardwaremain: Drop boot_state_current_{block,unblock}()

There are no more callers.

BUG=b:179699789
TEST=Compile guybrush

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I522f17c0e450641c0a60496ba07800da7e39889c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56389
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/lib/hardwaremain.c

@@ -519,13 +519,3 @@ int boot_state_unblock(boot_state_t state, boot_state_sequence_t seq)
 
 	return 0;
 }
-
-void boot_state_current_block(void)
-{
-	boot_state_block(current_phase.state_id, current_phase.seq);
-}
-
-void boot_state_current_unblock(void)
-{
-	boot_state_unblock(current_phase.state_id, current_phase.seq);
-}