m68k: Remove duplicate FPU config option

It's also defined in arch/m68k/Kconfig.cpu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer<gerg@uclinux.org>

arch/m68k/Kconfig

@@ -62,9 +62,6 @@ config CPU_HAS_NO_MULDIV64
 config CPU_HAS_ADDRESS_SPACES
 	bool
 
-config FPU
-	bool
-
 config HZ
 	int
 	default 1000 if CLEOPATRA