AP_HAL_ChibiOS: rename OFFBOARD_GUIDED to AP_PLANE_OFFBOARD_GUIDED_SL…

…EW_ENABLED

and remove comparison vs ENABLED

libraries/AP_HAL_ChibiOS/hwdef/include/minimize_common.inc

@@ -101,7 +101,7 @@ define AP_LANDINGGEAR_ENABLED APM_BUILD_COPTER_OR_HELI
 
 # Plane-specific defines; these defines are only used in the Plane
 #  directory, but are seen across the entire codebase:
-define OFFBOARD_GUIDED 0
+define AP_PLANE_OFFBOARD_GUIDED_SLEW_ENABLED 0
 define QAUTOTUNE_ENABLED 0
 
 # Copter-specific defines; these defines are only used in the Copter