emulators/yuzu: remove debug comments after r519853

In file included from /wrkdirs/usr/ports/emulators/yuzu/work/yuzu-6d0d79109/externals/cubeb/src/cubeb_mixer.cpp:21:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/yuzu-6d0d79109/externals/cubeb/src/cubeb_utils.h:18:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/mutex:191:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/__mutex_base:16:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/system_error:150:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/string:505:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/string_view:176:
In file included from /wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/__string:58:
/wrkdirs/usr/ports/emulators/yuzu/work/libcxx-8.0.0.src/include/cstdio:157:9: error: no member named 'gets' in the global namespace
using ::gets;

~~^

1 error generated.

Reported by: pkg-fallout