[gnome-games] runner: Remove restart()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 400d3de9cbcc36fbb9a7f183c356a13a2b0b5b3b
Author: Neville <nevilleantony98 gmail com>
Date:   Sat Mar 14 20:41:39 2020 +0530

    runner: Remove restart()

 src/command/command-runner.vala |  3 ---
 src/core/runner.vala            |  1 -
 src/retro/retro-runner.vala     | 11 -----------
 3 files changed, 15 deletions(-)
---
diff --git a/src/command/command-runner.vala b/src/command/command-runner.vala
index 9a7b210f..7a2857b2 100644
--- a/src/command/command-runner.vala
+++ b/src/command/command-runner.vala
@@ -82,9 +82,6 @@ public class Games.CommandRunner : Object, Runner {
                }
        }
 
-       public void restart () throws Error {
-       }
-
        public void resume () {
        }
 
diff --git a/src/core/runner.vala b/src/core/runner.vala
index 9e4e853b..90c5d775 100644
--- a/src/core/runner.vala
+++ b/src/core/runner.vala
@@ -17,7 +17,6 @@ public interface Games.Runner : Object {
 
        public abstract void prepare () throws RunnerError;
        public abstract void start () throws Error;
-       public abstract void restart () throws Error;
        public abstract void resume ();
        public abstract void pause ();
        public abstract void stop ();
diff --git a/src/retro/retro-runner.vala b/src/retro/retro-runner.vala
index 7dba1410..f8c5f647 100644
--- a/src/retro/retro-runner.vala
+++ b/src/retro/retro-runner.vala
@@ -242,17 +242,6 @@ public class Games.RetroRunner : Object, Runner {
                resume ();
        }
 
-       public void restart () throws Error {
-               pause ();
-
-               var snapshot = try_create_snapshot (true);
-               reset_with_snapshot (snapshot);
-
-               core.reset ();
-
-               resume ();
-       }
-
        public void resume () {
                if (!core_loaded)
                        return;