s4-python Remove unused missing.py (used by old build system)

source4/scripting/python/samba_external/missing.py

@@ -1,17 +0,0 @@
-#!/usr/bin/env python
-
-# work out what python external libraries we need to install
-external_libs = {
-    "dns.resolver": "dnspython/dns", 
-    "subunit": "subunit/python/subunit",
-    "testtools": "testtools/testtools"}
-
-list = []
-
-for module, package in external_libs.iteritems():
-    try:
-        __import__(module)
-    except ImportError:
-        list.append(package)
-
-print ' '.join(list)