ARM: dts: omap3: logicpd kits: Remove partition information

Since U-Boot passes this information to the kernel, let's remove
the partition information from the device tree for
logicpd-torpedo-37xx-devkit and logicpd-som-lv-37xx-devkit

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>