Removes unnecessary arch/arm/mach-omap2/board-n800-pm.c file, according with
Trilok's early patch, that moves board-n800-pm.c code to board-n800.c file.
Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br> Signed-off-by: Trilok Soni <soni.trilok@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>