security/intel/cbnt: Remove unneeded go steps

This updates the go modules in the intel-sec-tools git submodule. This
is not needed.

Change-Id: I2012d519b07321317fef415df892bbb966512ee2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55845
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/security/intel/cbnt/Makefile.inc b/src/security/intel/cbnt/Makefile.inc
index 9a29fa6..4959f01 100644
--- a/src/security/intel/cbnt/Makefile.inc
+++ b/src/security/intel/cbnt/Makefile.inc
@@ -34,8 +34,6 @@
 $(CBNT_PROV):
 	printf "    CBNT_PROV    building tool\n"
 	cd 3rdparty/intel-sec-tools; \
-	GO111MODULE=on go mod download; \
-	GO111MODULE=on go mod verify; \
 	GO111MODULE=on go build -o $(abspath $@) cmd/cbnt-prov/*.go
 else
 $(CBNT_PROV): $(call strip_quotes, $(CONFIG_INTEL_CBNT_PROV_EXTERNAL_BIN_PATH))