src: Remove unused <console/cbmem_console.h>

Found using:
diff <(git grep -l '#include <console/cbmem_console.h>' -- src/) <(git grep -l 'cbmemc_init\|cbmemc_tx_byte\|cbmem_dump_console' -- src/) |grep "<"

Change-Id: I24a6ab7420e079769e19793848c92c187529e253
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60913
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <martinroth@google.com>

src/security/tpm/tspi/tspi.c

@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <console/cbmem_console.h>
 #include <console/console.h>
 #include <security/tpm/tspi/crtm.h>
 #include <security/tpm/tspi.h>

src/soc/nvidia/tegra210/romstage.c

@@ -3,7 +3,6 @@
 #include <arch/exception.h>
 #include <arch/stages.h>
 #include <cbmem.h>
-#include <console/cbmem_console.h>
 #include <console/console.h>
 #include <lib.h>
 #include <program_loading.h>