remove unused patch

ZopeInterface-3.0.1-declbug.patch

@@ -1,12 +0,0 @@
-diff -urN ZopeInterface-3.0.1/Dependencies/zope.interface-ZopeInterface-3.0.1/zope.interface/_zope_interface_coptimizations.c ZopeInterface-3.0.1-declbug/Dependencies/zope.interface-ZopeInterface-3.0.1/zope.interface/_zope_interface_coptimizations.c
---- ZopeInterface-3.0.1/Dependencies/zope.interface-ZopeInterface-3.0.1/zope.interface/_zope_interface_coptimizations.c	2004-08-04 18:03:17.000000000 +0800
-+++ ZopeInterface-3.0.1-declbug/Dependencies/zope.interface-ZopeInterface-3.0.1/zope.interface/_zope_interface_coptimizations.c	2005-08-23 08:05:27.376784740 +0800
-@@ -70,7 +70,7 @@
-   return 0;
- }
- 
--extern PyTypeObject SpecType;   /* Forward */
-+static PyTypeObject SpecType;   /* Forward */
- 
- static PyObject *
- implementedByFallback(PyObject *cls)