Remove SCREEN_LOGDIR from devstack
SCREEN_LOGDIR has already been deprecated [1]. We should
remove it.
[1]
@@ -11,8 +11,6 @@ enable_plugin kuryr-kubernetes \
# Log settings for better readability
LOGFILE=devstack.log
LOG_COLOR=False
-# If you want the screen tabs logged in a specific location, you can use:
-# SCREEN_LOGDIR="${HOME}/devstack_logs"
# Credentials
