[gnome-continuous] patches: Remove ModemManager patch, it was already applied upstream

[Javier Jardón <jjardon src gnome org>]

commit 91fc71075eb68ccdb40839dd5bbe1ee9f57052c1
Author: Javier Jardón <jjardon gnome org>
Date:   Mon Jul 21 00:37:49 2014 +0100

    patches: Remove ModemManager patch, it was already applied upstream

 manifest.json                      |    1 -
 patches/ModemManager-headers.patch |   25 -------------------------
 2 files changed, 0 insertions(+), 26 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 5917a27..3973b58 100644
--- a/manifest.json
+++ b/manifest.json
@@ -502,7 +502,6 @@
                 "name": "libmbim"},
 
                {"src": "fd-MM:ModemManager.git",
-                "patches": ["ModemManager-headers.patch"],
                 "config-opts": ["--with-udev-base-dir=/usr/lib/udev",
                                 "--disable-more-warnings"]},