16be7dd Improve bitcoind systemd service file (Florian Schmaus)
Pull request description:
Add comment how further options can be added or existing ones
modified. Use /run/${RuntimeDirectory} for PID file.
Remove TimeoutStopSec, TimeoutStartSec, StartLimitInterval,
StartLimitBurst directives as those should be set indivdually.
Remove Group to user the bitcoin user's default group.
Changed Restart from 'always' to 'on-failure' (can also be overwritten
individually).
Tree-SHA512: f76674c11fd6e3faaf786aa05686926523d9c875aad6b776337f800108fdb716470286805c532b494f8cf713cb5eea6b735e1c7c238ffb407a5cc909dda41aa4