[four-in-a-row] Remove a method.

[Arnaud B. <arnaudb src gnome org>]

commit 8c0c9db6e584ccd34b50b8ebd47d25f2ed21b3a6
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Dec 21 10:34:15 2019 +0100

    Remove a method.

 src/four-in-a-row.vala | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)
---
diff --git a/src/four-in-a-row.vala b/src/four-in-a-row.vala
index a1bb16f..042685f 100644
--- a/src/four-in-a-row.vala
+++ b/src/four-in-a-row.vala
@@ -156,7 +156,7 @@ private class FourInARow : Gtk.Application
         if (!is_player_human ())
         {
             vstr [0] = vlevel [ai_level];
-            game_process_move (playgame ((string) vstr) - 1);
+            process_move (playgame ((string) vstr) - 1);
         }
     }
 
@@ -270,7 +270,7 @@ private class FourInARow : Gtk.Application
         if (gameover && timeout == 0)
             blink_winner (2);
         else if (is_player_human () && timeout == 0)
-            game_process_move (column);
+            process_move (column);
         return true;
     }
 
@@ -408,11 +408,6 @@ private class FourInARow : Gtk.Application
         prompt_player ();
     }
 
-    private void game_process_move (int c)
-    {
-        process_move (c);
-    }
-
     private void process_move3 (int c)
     {
         play_sound (SoundID.DROP);
@@ -888,7 +883,7 @@ private class FourInARow : Gtk.Application
             move_cursor (column_moveto);
         }
         else if (e.keyval == Prefs.instance.keypress_drop)
-            game_process_move (column);
+            process_move (column);
 
         return true;
     }