Remove horizontal lines from docs

doc/ci/yaml/README.md

@@ -2023,8 +2023,6 @@ Defining an empty array will skip downloading any artifacts for that job.
 The status of the previous job is not considered when using `dependencies`, so
 if it failed or it is a manual job that was not run, no error occurs.
 
----
-
 In the following example, we define two jobs with artifacts, `build:osx` and
 `build:linux`. When the `test:osx` is executed, the artifacts from `build:osx`
 will be downloaded and extracted in the context of the build. The same happens

doc/development/documentation/index.md

@@ -67,8 +67,6 @@ This document was moved to [another location](path/to/new_doc.md).
 
 where `path/to/new_doc.md` is the relative path to the root directory `doc/`.
 
----
-
 For example, if you move `doc/workflow/lfs/lfs_administration.md` to
 `doc/administration/lfs.md`, then the steps would be:
 

doc/development/documentation/styleguide.md

@@ -604,9 +604,6 @@ Inside the document:
 - Always use a proper description for what the image is about. That way, when a
   browser fails to show the image, this text will be used as an alternative
   description.
-- If there are consecutive images with little text between them, always add
-  three dashes (`---`) between the image and the text to create a horizontal
-  line for better clarity.
 - If a heading is placed right after an image, always add three dashes (`---`)
   between the image and the heading.
 

doc/install/openshift_and_gitlab/index.md

@@ -23,8 +23,6 @@ tools that will help us achieve our goal.
 
 For a video demonstration on installing GitLab on OpenShift, check the article [In 13 minutes from Kubernetes to a complete application development tool](https://about.gitlab.com/blog/2016/11/14/idea-to-production/).
 
----
-
 ## Prerequisites
 
 CAUTION: **Caution:** This information is no longer up to date, as the current versions

doc/user/profile/notifications.md

@@ -77,7 +77,7 @@ To select a notification level for a project, use either of these methods:
 1. Locate the project in the **Projects** section.
 1. Select the desired [notification level](#notification-levels).
 
----
+Or:
 
 1. Navigate to the project's page.
 1. Click the notification dropdown, marked with a bell icon.

doc/user/project/import/gitea.md

@@ -75,7 +75,5 @@ You also can:
 
 ![Gitea importer page](img/import_projects_from_gitea_importer_v12_3.png)
 
----
-
 You can also choose a different name for the project and a different namespace,
 if you have the privileges to do so.

doc/user/project/merge_requests/merge_request_approvals.md

@@ -219,8 +219,6 @@ and the project level approvers are changed after a merge request is created,
 the merge request retains the previous approvers.
 However, the approvers can be changed by [editing the merge request](#overriding-the-merge-request-approvals-default-settings).
 
----
-
 The default approval settings can now be overridden when creating a
 [merge request](index.md) or by editing it after it's been created: