tegra-common.inc: drop CUDA PREFERRED_PROVIDER settings
tegra-common.inc: drop CUDA PREFERRED_PROVIDER settings

which aren't really complete with the current recipe
structure, and aren't needed since NVIDIA supports
the same version of CUDA across all current Jetson
models.

Signed-off-by: Matt Madison <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@madison.systems>

madisongh/meta-tegra,madisongh/meta-tegra,madisongh/meta-tegra,madisongh/meta-tegra,madisongh/meta-tegra