configs/qemu_mips64el_malta_defconfig: don't force eglibc

It's not required, the toolchain options should handle that.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

configs/qemu_mips64el_malta_defconfig

@@ -2,9 +2,6 @@
 BR2_mips64el=y
 BR2_MIPS_NABI64=y
 
-# Toolchain
-BR2_TOOLCHAIN_BUILDROOT_EGLIBC=y
-
 # Filesystem
 BR2_TARGET_ROOTFS_EXT2=y
 # BR2_TARGET_ROOTFS_TAR is not set