CORD-2513 do not destroy old migration files

Change-Id: Idd3d570abfb3e0ca37a6831d7df36046ae24e96d
diff --git a/xos/tools/xos-manage b/xos/tools/xos-manage
index 6123dc7..8140b98 100755
--- a/xos/tools/xos-manage
+++ b/xos/tools/xos-manage
@@ -134,9 +134,6 @@
 }
 
 function makemigrations {
-    cp /opt/xos/core/migrations/0002_initial_data.py /opt/xos/0002_initial_data.py # HACK to save 0002_initial_data.py
-    rm -rf /opt/xos/*/migrations /opt/xos/services/*/migrations
-    cp /opt/xos/0002_initial_data.py /opt/xos/core/migrations/0002_initial_data.py # HACK to restore 0002_initial_data.py
     python ./manage.py makemigrations core
     python ./manage.py makemigrations syndicate_storage