Remove 2.6.23 config, files and patches from olpc target.

target/linux/olpc/config-2.6.23

target/linux/olpc/files-2.6.23/arch/i386/boot/setup.S

.../linux/olpc/files-2.6.23/arch/i386/configs/olpc_defconfig

target/linux/olpc/files-2.6.23/arch/i386/kernel/mfgpt.c

target/linux/olpc/files-2.6.23/arch/i386/kernel/ofw.c

target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-pm.c

target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-sleep.S

...et/linux/olpc/files-2.6.23/arch/i386/kernel/olpc-wakeup.S

target/linux/olpc/files-2.6.23/arch/i386/kernel/olpc.c

target/linux/olpc/files-2.6.23/arch/i386/kernel/prom.c

target/linux/olpc/files-2.6.23/arch/i386/pci/olpc.c

target/linux/olpc/files-2.6.23/drivers/input/mouse/olpc.c

target/linux/olpc/files-2.6.23/drivers/input/mouse/olpc.h

target/linux/olpc/files-2.6.23/drivers/mtd/mtdcore.h

target/linux/olpc/files-2.6.23/drivers/mtd/mtdoops.c

...linux/olpc/files-2.6.23/drivers/mtd/onenand/onenand_sim.c

.../linux/olpc/files-2.6.23/drivers/video/geode/geode_regs.h

.../linux/olpc/files-2.6.23/drivers/video/geode/suspend_gx.c

target/linux/olpc/files-2.6.23/drivers/video/olpc_dcon.c

target/linux/olpc/files-2.6.23/drivers/video/olpc_dcon.h