Revert "games/jaggedalliance2: update to 0.18.0"

This reverts commit 5ec940f106b3c806592f6205540c88a40e91e399.

It tries to fetch things during the build.

> Configuring for ja2-0.18.0

Updating git repository `https://github.com/selaux/android-ndk-rs`

warning: spurious network error (2 tries remaining): failed to connect to github.com: Can't assign requested address; class=Os (2)
warning: spurious network error (1 tries remaining): failed to connect to github.com: Can't assign requested address; class=Os (2)
error: failed to get ndk as a dependency of package stracciatella v0.1.0 (/wrkdirs/usr/ports/games/jaggedalliance2/work/ja2-stracciatella-0.18.0/rust/stracciatella)

Caused by:

failed to load source for dependency `ndk`

Caused by:

Unable to update https://github.com/selaux/android-ndk-rs

Caused by:

failed to clone into: /wrkdirs/usr/ports/games/jaggedalliance2/work/cargo-home/git/db/android-ndk-rs-8a286ebb858b1942

Caused by:

failed to connect to github.com: Can't assign requested address; class=Os (2)

• Error code 101

If we fix that error it still tries to fetch things later:

• Using src='https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip'
• Retrying...
• Using src='https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip'
• Retry after 5 seconds (attempt #2) ...
• Using src='https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip'
• Retry after 5 seconds (attempt #3) ...
• Using src='https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip'
• Retry after 15 seconds (attempt #4) ...
• Using src='https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip'
• Retry after 60 seconds (attempt #5) ...
• Using src='https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip'

CMake Error at /wrkdirs/usr/ports/games/jaggedalliance2/work/.build/dependencies/lib-miniaudio/getter/get-miniaudio-prefix/src/get-miniaudio-stamp/download-get-miniaudio.
cmake:170 (message):

Each download failed!

  error: downloading 'https://github.com/mackron/miniaudio/archive/634cdb028f340075ae8e8a1126620695688d2ac3.zip' failed
        status_code: 6
        status_string: "Couldn't resolve host name"
        log:
        --- LOG BEGIN ---
        Could not resolve host: github.com

PR: 255399