[gnome-continuous] Untag ModemManager

[Emmanuele Bassi <ebassi src gnome org>]

commit 464b39a786ebba3f04b27e4952711ea94141ce7e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Mar 17 23:54:54 2019 +0000

    Untag ModemManager
    
    Build failure should have been fixed upstream.

 manifest.json | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 3d69faf..50d824c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -529,8 +529,6 @@
                  "patches": ["jansson-cmake-buildapi.patch"]},
 
                {"src": "fd-MM:ModemManager.git",
-                 "tag": "fc3ca42734ee2b608a03fecc8ad4e037f9836a6a",
-                 "tag-reason": "https://gitlab.freedesktop.org/mobile-broadband/ModemManager/issues/84";,
                 "config-opts": ["--with-udev-base-dir=/usr/lib/udev",
                                 "--disable-more-warnings"]},