mozjs102-dev has been removed from aports in September 2023[0] so
obviously noone has ever run this in the last year. Remove it.

[0] https://gitlab.alpinelinux.org/alpine/aports/-/commit/14107fd2b47f1ab899b0ca9e525b8970f1e1f4c9
[ci:skip-build]: already built successfully in CI