Doesn't build against latest zxing-cpp-dev. Remove for now, so bpo is
not blocked.
/usr/include/ZXing/Pattern.h:230:68: error: use of 'auto' in lambda parameter declaration only available with '-std=c++14' or '-std=gnu++14'
230 | return FindLeftGuard<LEN>(view, minSize, [&pattern, minQuiteZone](auto window, int spaceInPixel) {
| ^~~~
Related: https://builds.sr.ht/~postmarketos/job/271644#task-pmbootstrap_build-716
2919f372ac