configure: Removed _ARM_NWFP_

Apparently this hasn't been needed for quite a while.

configure/os/CONFIG.Common.linux-arm

@@ -11,9 +11,6 @@ include $(CONFIG)/os/CONFIG.Common.linuxCommon
 
 ARCH_CLASS = arm
 
-# Set a special definition for network order of Netwinder ARM floating point
-ARCH_DEP_CPPFLAGS += -D_ARM_NWFP_
-
 ifeq ($(BUILD_CLASS),CROSS)
     VALID_BUILDS = Ioc
     GNU_TARGET = arm-linux