Changes

Packets.c: Do not set alive flag before kill packet

This would result in the kill packet being
ignored since the player was already dead.
Kill packet should handle the alive flag
 (commit: 4c025c3)

Packets.c: Do not update possible spadenade time

Updating this time when checking causes grenades to not
be registered at 500ms but at 1s intervals. Twice the
correct value.

Do not update it and let it be updated when player
actually triggers the event for the timer to be updated
 (commit: 4f46309)