Merge branch 'remove-unused-images' into 'master'

Remove unused images

## What does this MR do?
Remove unused images

```
bg-header.png
bg_fallback.png
chosen-sprite.png
diff_note_add.png
icon-search.png
icon_sprite.png
images.png
move.png
progress_bar.gif
slider_handles.png
```

## Are there points in the code the reviewer needs to double check?
Just need to check if the images are still being used :smile:

## Why was this MR needed?
To reduce the technical debt of the project

## What are the relevant issue numbers?
Closes #20499 

## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

See merge request !5601

11 files changed, 1 insertions, 0 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 8362131a090..8de0a1882a2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -17,6 +17,7 @@ v 8.11.0 (unreleased)
   - Optimize maximum user access level lookup in loading of notes
   - Add "No one can push" as an option for protected branches. !5081
   - Environments have an url to link to
+  - Remove unused images (ClemMakesApps)
   - Limit git rev-list output count to one in forced push check
   - Clean up unused routes (Josef Strzibny)
   - Add green outline to New Branch button. !5447 (winniehell)
diff --git a/app/assets/images/bg-header.png b/app/assets/images/bg-header.png
deleted file mode 100644
index 639271c6faf..00000000000
--- a/app/assets/images/bg-header.png
+++ /dev/null
diff --git a/app/assets/images/bg_fallback.png b/app/assets/images/bg_fallback.png
deleted file mode 100644
index 5c55bc79dec..00000000000
--- a/app/assets/images/bg_fallback.png
+++ /dev/null
diff --git a/app/assets/images/chosen-sprite.png b/app/assets/images/chosen-sprite.png
deleted file mode 100644
index 3d936b07d44..00000000000
--- a/app/assets/images/chosen-sprite.png
+++ /dev/null
diff --git a/app/assets/images/diff_note_add.png b/app/assets/images/diff_note_add.png
deleted file mode 100644
index 0084422e330..00000000000
--- a/app/assets/images/diff_note_add.png
+++ /dev/null
diff --git a/app/assets/images/icon-search.png b/app/assets/images/icon-search.png
deleted file mode 100644
index 3c1c146541d..00000000000
--- a/app/assets/images/icon-search.png
+++ /dev/null
diff --git a/app/assets/images/icon_sprite.png b/app/assets/images/icon_sprite.png
deleted file mode 100644
index 2e7a5023398..00000000000
--- a/app/assets/images/icon_sprite.png
+++ /dev/null
diff --git a/app/assets/images/images.png b/app/assets/images/images.png
deleted file mode 100644
index bd60de994c4..00000000000
--- a/app/assets/images/images.png
+++ /dev/null
diff --git a/app/assets/images/move.png b/app/assets/images/move.png
deleted file mode 100644
index 6a0567f8f25..00000000000
--- a/app/assets/images/move.png
+++ /dev/null
diff --git a/app/assets/images/progress_bar.gif b/app/assets/images/progress_bar.gif
deleted file mode 100644
index c3d43fa40b2..00000000000
--- a/app/assets/images/progress_bar.gif
+++ /dev/null
diff --git a/app/assets/images/slider_handles.png b/app/assets/images/slider_handles.png
deleted file mode 100644
index 52ad11ab7a1..00000000000
--- a/app/assets/images/slider_handles.png
+++ /dev/null