testing/cxxopts: remove cxxopts-dev
Patchset from Edd Salkield edd@salkield.uk via aports #4000:
cxxopts is a header-only library so cxxopts-dev is redundant
https://gitlab.alpinelinux.org/alpine/aports/-/issues/13654
Patchset from Edd Salkield edd@salkield.uk via aports #4000:
cxxopts is a header-only library so cxxopts-dev is redundant
https://gitlab.alpinelinux.org/alpine/aports/-/issues/13654