binutils: remove defunct binutils default version selection for aarch64

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 44958

toolchain/binutils/Config.in

@@ -2,7 +2,6 @@
 
 choice
 	prompt "Binutils Version" if TOOLCHAINOPTS
-	default BINUTILS_VERSION_2_23_1 if (aarch64 || aarch64_be)
 	default BINUTILS_VERSION_2_20_1 if avr32
 	default BINUTILS_VERSION_LINARO if !avr32
 	help