Remove bridges subtree

bridges/testing/scripts/sync-exit.sh

@@ -1,14 +0,0 @@
-#!/bin/bash
-set -e
-
-# every network adds a char to the file, let's remove ours
-truncate -s -1 $TEST_FOLDER/exit-sync
-
-# when all chars are removed, then our test is done
-while true
-do
-    if [ `stat --printf="%s" $TEST_FOLDER/exit-sync` -eq 0 ]; then
-        exit
-    fi
-    sleep 100
-done