Go back to usual tmp

src/freedombone-app-tahoelafs

     cd /home/tahoelafs/tahoelafs
     git checkout $TAHOELAFS_COMMIT -b $TAHOELAFS_COMMIT
     git submodule update --init --recursive
-    export TMPDIR=/home/tahoelafs/tmp
-    if [ ! $TMPDIR ]; then
-        mkdir $TMPDIR
-    fi
     virtualenv venv --distribute
     venv/bin/pip uninstall --yes setuptools
     venv/bin/pip install setuptools==11.3
     su -c "$TAHOE_COMMAND create-introducer -C /home/tahoelafs/data --hide-ip --hostname=127.0.0.1" - tahoelafs
     TAHOELAFS_CONFIG=/home/tahoelafs/data/tahoe.cfg
     if [ ! -f $TAHOELAFS_CONFIG ]; then
-        export TMPDIR=/tmp
         exit 62831
     fi
 
     systemctl start tahoelafs
 
     set_completion_param "tahoelafs commit" "$TAHOELAFS_COMMIT"
-    export TMPDIR=/tmp
-    rm -rf /home/tahoelafs/tmp
 
     APP_INSTALLED=1
 }