daemon: Remove unused entities in globals.{hh, cc}.

All these entities are not been used anywhere.

* nix/libstore/globals.hh (Settings): Remove 'overrides' member
and 'getOverrides' method declaration.
(nixVersion): Removed.
* nix/libstore/globals.cc (Settings::set): Do not update the 'overrides' map.
(Settings::getOverrides): Remove function definition.

Change-Id: If7dbb6df79178d2569cda21e1fe5e0ea3d8e59ba
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Merges: #6009

1 files changed, 0 insertions, 7 deletions

diff --git a/nix/libstore/globals.cc b/nix/libstore/globals.cc
index 885ba4eafc1..eb7e7dac413 100644
--- a/nix/libstore/globals.cc
+++ b/nix/libstore/globals.cc
@@ -72,7 +72,6 @@ void Settings::processEnvironment()
 void Settings::set(const string & name, const string & value)
 {
     settings[name] = value;
-    overrides[name] = value;
 }
 
 
@@ -196,10 +195,4 @@ string Settings::pack()
 }
 
 
-Settings::SettingsMap Settings::getOverrides()
-{
-    return overrides;
-}
-
-
 }