Removes an obsolete environment variable from the example upstart script.

terraform/shared/scripts/debian_upstart.conf

@@ -12,9 +12,6 @@ script
     . /etc/service/consul
   fi
 
-  # Make sure to use all our CPUs, because Consul can block a scheduler thread
-  export GOMAXPROCS=`nproc`
-
   # Get the local IP
   BIND=`ifconfig eth0 | grep "inet addr" | awk '{ print substr($2,6) }'`