ARM: tegra: colibri_t30: drop module level model and compatible

Drop model and compatible nodes from the module level device tree as
they get overridden by the carrier board device tree anyway.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra30-colibri.dtsi

@@ -6,9 +6,6 @@
  * Compatible for Revisions V1.1B, V1.1C, V1.1D, V1.1E, V1.1F; IT: V1.1A, V1.1B
  */
 / {
-	model = "Toradex Colibri T30";
-	compatible = "toradex,colibri_t30", "nvidia,tegra30";
-
 	memory@80000000 {
 		reg = <0x80000000 0x40000000>;
 	};