Support for arm-wrs-vxworks was removed in git r10-4684.
contrib/ChangeLog:
* config-list.mk (LIST): Remove arm-wrs-vxworks.
amdgcn-amdhsa \
arc-elf32OPT-with-cpu=arc600 arc-elf32OPT-with-cpu=arc700 \
arc-linux-uclibcOPT-with-cpu=arc700 arceb-linux-uclibcOPT-with-cpu=arc700 \
- arm-wrs-vxworks arm-netbsdelf \
+ arm-netbsdelf \
arm-linux-androideabi arm-uclinux_eabi arm-eabi arm-rtems \
arm-symbianelf avr-elf \
bfin-elf bfin-uclinux bfin-linux-uclibc bfin-rtems bfin-openbsd \