Correct logs location of Armory

Logs are not found under `$HOME/.config/armory` but under `$HOME/.armory`...
```
xcp@ubuntu:~$ sudo find /home/xcp/ -name "armory*" | grep log
/home/xcp/.armory/armorycpplog.txt
/home/xcp/.armory/armory_utxsvr.log
/home/xcp/.armory/armorylog.txt
/home/xcp/.armory/armory_utxsvr-testnet.log
/home/xcp/.armory/testnet3/armorycpplog.txt
/home/xcp/.armory/testnet3/armorylog.txt
```