avr32: remove fake at91 cpu identification

cpu_is_at91* are not used in any driver outside mach-at91. Remove those
useless definitions.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/avr32/mach-at32ap/include/mach/cpu.h

 /*
- * AVR32 and (fake) AT91 CPU identification
+ * AVR32 CPU identification
  *
  * Copyright (C) 2007 Atmel Corporation
  *
@@ -20,28 +20,4 @@
 # define cpu_is_at32ap7000()	(0)
 #endif
 
-/*
- * Since this is AVR32, we will never run on any AT91 CPU. But these
- * definitions may reduce clutter in common drivers.
- */
-#define cpu_is_at91rm9200()	(0)
-#define cpu_is_at91sam9xe()	(0)
-#define cpu_is_at91sam9260()	(0)
-#define cpu_is_at91sam9261()	(0)
-#define cpu_is_at91sam9263()	(0)
-#define cpu_is_at91sam9rl()	(0)
-#define cpu_is_at91sam9g10()	(0)
-#define cpu_is_at91sam9g20()	(0)
-#define cpu_is_at91sam9g45()	(0)
-#define cpu_is_at91sam9g45es()	(0)
-#define cpu_is_at91sam9m10()	(0)
-#define cpu_is_at91sam9g46()	(0)
-#define cpu_is_at91sam9m11()	(0)
-#define cpu_is_at91sam9x5()	(0)
-#define cpu_is_at91sam9g15()	(0)
-#define cpu_is_at91sam9g35()	(0)
-#define cpu_is_at91sam9x35()	(0)
-#define cpu_is_at91sam9g25()	(0)
-#define cpu_is_at91sam9x25()	(0)
-
 #endif /* __ASM_ARCH_CPU_H */