[gnome-shell-extensions/wip/fmuellner/cleanups: 5/15] cleanup: Remove unused variables

[Florian Müllner <fmuellner src gnome org>]

commit d7414025a5e0ce56df80c43ba596ecbdd8ab93bf
Author: Florian Müllner <fmuellner gnome org>
Date:   Sun Jan 27 22:11:14 2019 +0100

    cleanup: Remove unused variables
    
    Spotted by eslint.
    
    https://gitlab.gnome.org/GNOME/gnome-shell-extensions/merge_requests/49

 extensions/native-window-placement/extension.js | 9 ---------
 extensions/screenshot-window-sizer/extension.js | 2 +-
 extensions/workspace-indicator/extension.js     | 1 -
 3 files changed, 1 insertion(+), 11 deletions(-)
---
diff --git a/extensions/native-window-placement/extension.js b/extensions/native-window-placement/extension.js
index bf0a482..5c6c9d8 100644
--- a/extensions/native-window-placement/extension.js
+++ b/extensions/native-window-placement/extension.js
@@ -6,8 +6,6 @@ const Me = ExtensionUtils.getCurrentExtension();
 const Convenience = Me.imports.convenience;
 
 // testing settings for natural window placement strategy:
-const WINDOW_PLACEMENT_NATURAL_FILLGAPS = true;                     // enlarge windows at the end to fill 
gaps         // not implemented yet
-const WINDOW_PLACEMENT_NATURAL_GRID_FALLBACK = true;                // fallback to grid mode if all windows 
have the same size and positions.     // not implemented yet
 const WINDOW_PLACEMENT_NATURAL_ACCURACY = 20;                       // accuracy of window translate moves  
(KDE-default: 20)
 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
@@ -222,14 +220,7 @@ class NaturalLayoutStrategy extends Workspace.LayoutStrategy {
             rects[i].translate(-bounds.x, -bounds.y);
         }
 
-        // TODO: Implement the KDE part "Try to fill the gaps by enlarging windows if they have the space" 
here. (If this is wanted)
-
         // rescale to workspace
-        let scales = [];
-
-        let buttonOuterHeight, captionHeight;
-        let buttonOuterWidth = 0;
-
         let slots = [];
         for (let i = 0; i < rects.length; i++) {
             rects[i].x = rects[i].x * scale + area_rect.x;
diff --git a/extensions/screenshot-window-sizer/extension.js b/extensions/screenshot-window-sizer/extension.js
index ae76b49..5aa6b1d 100644
--- a/extensions/screenshot-window-sizer/extension.js
+++ b/extensions/screenshot-window-sizer/extension.js
@@ -31,7 +31,7 @@ const Convenience = Me.imports.convenience;
 
 const MESSAGE_FADE_TIME = 2;
 
-let text, button;
+let text;
 
 function hideMessage() {
     text.destroy();
diff --git a/extensions/workspace-indicator/extension.js b/extensions/workspace-indicator/extension.js
index 0002535..f7288fb 100644
--- a/extensions/workspace-indicator/extension.js
+++ b/extensions/workspace-indicator/extension.js
@@ -98,7 +98,6 @@ class WorkspaceIndicator extends PanelMenu.Button {
             this._workspaceSection.addMenuItem(this.workspacesItems[i]);
             this.workspacesItems[i].workspaceId = i;
             this.workspacesItems[i].label_actor = this.statusLabel;
-            let self = this;
             this.workspacesItems[i].connect('activate', (actor, event) => {
                 this._activate(actor.workspaceId);
             });