remove all logentries drains setup in heroku.

removeLogentires.sh

#!/bin/bash

for app in `heroku list | grep [a-z] | cut -d " " -f 1`; do
  for logDrains in `heroku drains -a $app 2>/dev/null | grep ^syslog`; do
    if [[ $logDrains == *"logentries"* ]]; then
      echo "`heroku drains:remove $logDrains -a $app` for $app";
    else
      echo "Skipping $logDrains"
    fi
  done
done