project-lakitu: x11-drivers remove redundant build parameters

in cos-linux-mod_src_compile, we specify the CC and LD variables in the
BUILD_PARAMS already so there is no need to rewrite those variables in
the NVIDIA builds.

Change-Id: I5eade286d4ecdb0f1c10c89e3c1aa694da71c595
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/75073
Reviewed-by: Shuo Yang <gshuoy@google.com>
Reviewed-by: Oleksandr Tymoshenko <ovt@google.com>
Tested-by: RBE-prod-presubmit <service-269995278450@remotebuildexecution.iam.gserviceaccount.com>
Reviewed-by: Kevin Berry <kpberry@google.com>
10 files changed