uClibc: remove 0.9.30, 0.9.31

toolchain/uClibc/Config.in

toolchain/uClibc/Config.version

toolchain/uClibc/Makefile

toolchain/uClibc/config-0.9.30.1/arm

toolchain/uClibc/config-0.9.30.1/arm.cns21xx

toolchain/uClibc/config-0.9.30.1/arm.cns3xxx

toolchain/uClibc/config-0.9.30.1/arm.gemini

toolchain/uClibc/config-0.9.30.1/armeb

toolchain/uClibc/config-0.9.30.1/avr32

toolchain/uClibc/config-0.9.30.1/common

toolchain/uClibc/config-0.9.30.1/cris

toolchain/uClibc/config-0.9.30.1/debug

toolchain/uClibc/config-0.9.30.1/i386

toolchain/uClibc/config-0.9.30.1/i686

toolchain/uClibc/config-0.9.30.1/m68k

toolchain/uClibc/config-0.9.30.1/mips

toolchain/uClibc/config-0.9.30.1/mips64

toolchain/uClibc/config-0.9.30.1/mips64el

toolchain/uClibc/config-0.9.30.1/mipsel

toolchain/uClibc/config-0.9.30.1/mipsel.brcm-2.4