[sysadmin-bin] Remove the mapping as libsigc++2 has been renamed to libsigcplusplus

[Andrea Veri <av src gnome org>]

commit c04f65fe0be128049534c92dea8a44c006ecf92f
Author: Andrea Veri <av gnome org>
Date:   Sun Mar 6 17:39:10 2016 +0100

    Remove the mapping as libsigc++2 has been renamed to libsigcplusplus

 git/post-receive-mirror-github |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/git/post-receive-mirror-github b/git/post-receive-mirror-github
index 145e26e..905487f 100755
--- a/git/post-receive-mirror-github
+++ b/git/post-receive-mirror-github
@@ -42,8 +42,7 @@ import json
 
 ORGANIZATION="GNOME"
 name_maps = {"gtk+":       "gtk",
-             "libxml++":   "libxmlmm",
-             "libsigc++2": "libsigcpp2"}
+             "libxml++":   "libxmlmm"}
 
 class GitHub:
     def __init__ (self):