Clean up PKGBUILD
As described in this comment: https://aur.archlinux.org/packages/opentodolist#comment-926456
We should:
- Make cmake and ninja build time dependencies.
- Remove empty variables.
Edited by Martin Hoeher
The 17.0 major release is coming on May 16, 2024! This version brings many exciting improvements to GitLab, but also removes some deprecated features. We are introducing three breaking change windows during which we expect breaking changes to be deployed to GitLab.com. You can read more about it on our blogpost. The third breaking change window begins 2024-05-06 09:00 UTC and ends 2024-05-08 22:00 UTC.
As described in this comment: https://aur.archlinux.org/packages/opentodolist#comment-926456
We should: