[gnome-build-meta] Revert "elements/core/gnome-session.bst: Disable elogind support"

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 0db3fd85b3b21c75e0fdc32f9211e18dd05aa6be
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Mar 20 11:35:40 2019 -0700

    Revert "elements/core/gnome-session.bst: Disable elogind support"
    
    The patch to add elogind was reverted in gnome-session
    
    This reverts commit b4727f91ba17de9098c6b5e8ff62163e2a7ca2b2.

 elements/core/gnome-session.bst | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/elements/core/gnome-session.bst b/elements/core/gnome-session.bst
index a54d01f5..fc6d3a00 100644
--- a/elements/core/gnome-session.bst
+++ b/elements/core/gnome-session.bst
@@ -21,5 +21,3 @@ depends:
   type: build
 - filename: base-platform.bst
   junction: freedesktop-sdk.bst
-variables:
-  meson-local: -Delogind=false