feat: no more force teapot log path

bin/joj3-teapot

@@ -2,7 +2,6 @@
 
 set -e
 
-export LOG_FILE_PATH=/tmp/joint-teapot.log
 ENV_FILE_PATH=/home/tt/.config/teapot/teapot.env
 JOJ3_RESULT_FILE_PATH=/tmp/joj3_result.json
 GRADING_REPO_NAME="$1"
@@ -10,7 +9,6 @@ SUBMITTER_NAME="$2"
 SUBMITTER_REPO_NAME=$(echo "$3" | cut -d'/' -f2)
 RUN_NUMBER="$4"
 
-# TODO: redirect stdout & stderr to /dev/null in deployment
 /usr/local/bin/joint-teapot joj3-scoreboard \
     $ENV_FILE_PATH \
     $JOJ3_RESULT_FILE_PATH \