Removed duplicate imports

- traceback import twice in server.py
- tempfile imported twice in tts.py

software/source/server/server.py

@@ -7,7 +7,6 @@ import ast
 import json
 import queue
 import os
-import traceback
 import datetime
 from .utils.bytes_to_wav import bytes_to_wav
 import re

software/source/server/services/tts/piper/tts.py

@@ -2,7 +2,6 @@ import ffmpeg
 import tempfile
 import os
 import subprocess
-import tempfile
 import urllib.request
 import tarfile