[gnome-shell-extensions] naturalWindowPlacement: Remove unused stuff

[Florian Müllner <fmuellner src gnome org>]

commit a0cae3d1308dcc1afda8a594e38fe6695f783413
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Sep 20 03:28:13 2017 +0200

    naturalWindowPlacement: Remove unused stuff
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787934

 extensions/native-window-placement/extension.js |   32 -----------------------
 1 files changed, 0 insertions(+), 32 deletions(-)
---
diff --git a/extensions/native-window-placement/extension.js b/extensions/native-window-placement/extension.js
index 998267e..ca48939 100644
--- a/extensions/native-window-placement/extension.js
+++ b/extensions/native-window-placement/extension.js
@@ -1,20 +1,7 @@
 // -*- mode: js2; indent-tabs-mode: nil; js2-basic-offset: 4 -*-
-// import just everything from workspace.js:
-const Clutter = imports.gi.Clutter;
-const Gio = imports.gi.Gio;
 const Lang = imports.lang;
-const Mainloop = imports.mainloop;
-const Meta = imports.gi.Meta;
-const Pango = imports.gi.Pango;
-const Shell = imports.gi.Shell;
-const St = imports.gi.St;
-const Signals = imports.signals;
-
-const DND = imports.ui.dnd;
-const Lightbox = imports.ui.lightbox;
-const Main = imports.ui.main;
+
 const Overview = imports.ui.overview;
-const Panel = imports.ui.panel;
 const Tweener = imports.ui.tweener;
 
 const Workspace = imports.ui.workspace;
@@ -31,25 +18,6 @@ const WINDOW_PLACEMENT_NATURAL_ACCURACY = 20;                       // accuracy
 const WINDOW_PLACEMENT_NATURAL_GAPS = 5;                            // half of the minimum gap between 
windows
 const WINDOW_PLACEMENT_NATURAL_MAX_TRANSLATIONS = 5000;             // safety limit for preventing endless 
loop if something is wrong in the algorithm
 
-const PLACE_WINDOW_CAPTIONS_ON_TOP = true;                          // place window titles in overview on 
top of windows with overlap parameter
-
-const WORKSPACE_BORDER_GAP = 10;                                    // minimum gap between the workspace 
area and the workspace selector
-const WINDOW_AREA_TOP_GAP = 20;                                     // minimum gap between the workspace 
area and the top border. This keeps window captions and close buttons visible. 13px (26/2) should currently 
be enough.
-
-const BUTTON_LAYOUT_SCHEMA = 'org.gnome.desktop.wm.preferences';
-const BUTTON_LAYOUT_KEY = 'button-layout';
-
-function injectToFunction(parent, name, func) {
-    let origin = parent[name];
-    parent[name] = function() {
-        let ret;
-        ret = origin.apply(this, arguments);
-        if (ret === undefined)
-            ret = func.apply(this, arguments);
-        return ret;
-    }
-}
-
 const Rect = new Lang.Class({
     Name: 'NativeWindowPlacement.Rect',