Clean up the web terminals docs

- Clarify that they are available only for private Runners
- Merge the two sections of file syncing into one

doc/user/project/web_ide/index.md

@@ -135,18 +135,14 @@ below.
 
 CAUTION: **Warning:**
 Interactive Web Terminals for the Web IDE is currently in **Beta**.
+Shared Runners [do not yet support Interactive Web Terminals](https://gitlab.com/gitlab-org/gitlab-ce/issues/52611),
+so you would need to use your own private Runner(s) to make use of this feature.
 
-[Interactive web terminals](../../../ci/interactive_web_terminal/index.md)
-give the user access to a terminal to interact with the Runner directly from
+[Interactive Web Terminals](../../../ci/interactive_web_terminal/index.md)
+give the project [Maintainers](../../permissions.md#project-members-permissions)
+user access to a terminal to interact with the Runner directly from
 GitLab, including through the Web IDE.
 
-Only project [**maintainers**](../../permissions.md#project-members-permissions)
-can run Interactive Web Terminals through the Web IDE.
-
-CAUTION: **Warning:**
-GitLab.com [does not support Interactive Web Terminals yet](https://gitlab.com/gitlab-org/gitlab-ce/issues/52611).
-Shared Runners in private instances are not supported either.
-
 ### Runner configuration
 
 Some things need to be configured in the runner for the interactive web terminal
@@ -204,7 +200,7 @@ the selected branch of the Web IDE.
 
 If there is no configuration file in a branch, an error message will be shown.
 
-### Running Interactive Terminals in the Web IDE
+### Running interactive terminals in the Web IDE
 
 If Interactive Terminals are available for the current user, the **Terminal** button
 will be visible in the right sidebar of the Web IDE. Click this button to open
@@ -231,38 +227,20 @@ While the terminal is running, it can be stopped by clicking **Stop Terminal**.
 This will disconnect the terminal and stop the runner's terminal job. From here,
 click **Restart Terminal** to start a new terminal session.
 
-### File Syncing to Web Terminal
+### File syncing to web terminal
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/5276) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 12.0.
 
-File changes in the Web IDE can be synced to a running Web Terminal.
+File changes in the Web IDE can be synced to a running web terminal.
 This enables users to test their code changes in a preconfigured terminal
 environment.
 
 NOTE: **Note:**
 Only file changes in the Web IDE are synced to the terminal.
 Changes made in the terminal are **not** synced to the Web IDE.
+This feature is only available for Kubernetes Runners.
 
-Once you have [configured the Web Terminal for File Syncing](#configuring-file-syncing),
-then when the Web terminal is started, a **Terminal** status will be visible
-in the status bar.
-
-![Web IDE Client Side Evaluation](img/terminal_status.png)
-
-Changes made to your files via the Web IDE will sync to the running terminal
-when:
-
-- <kbd>Ctrl</kbd> + <kbd>S</kbd> (or <kbd>Cmd</kbd> + <kbd>S</kbd> on Mac) 
-  is pressed while editing a file.
-- Anything outside the file editor is clicked after editing a file.
-- A file or folder is created, deleted, or renamed.
-
-### Configuring File Syncing
-
-NOTE: **Note:**
-This feature is only available for Kubernetes runners.
-
-To enable file syncing to the Web Terminal, the `.gitlab/.gitlab-webide.yml` 
+To enable file syncing to the web terminal, the `.gitlab/.gitlab-webide.yml`
 file needs to have a `webide-file-sync` service configured. Here is an example
 configuration for a Node JS project which uses this service:
 
@@ -281,14 +259,26 @@ terminal:
         - number: 3000
 ```
 
-> **Notes:**
-> - For now, the `webide-file-sync` executable must start **after** the project
->  directory is available. This is why we need to add `sleep 5` to the `command`.
->  See [this issue](https://gitlab.com/gitlab-org/webide-file-sync/issues/7) for 
->  more info.
-> - `$CI_PROJECT_DIR` is a 
->  [predefined environment variable](../../../ci/variables/predefined_variables.md) 
->  for GitLab Runners. This is where your project's repository will be.
+- The `webide-file-sync` executable must start **after** the project
+  directory is available. This is why we need to add `sleep 5` to the `command`.
+  See [this issue](https://gitlab.com/gitlab-org/webide-file-sync/issues/7) for
+  more info.
+- `$CI_PROJECT_DIR` is a
+  [predefined environment variable](../../../ci/variables/predefined_variables.md)
+  for GitLab Runners. This is where your project's repository will be.
+
+Once you have configured the web terminal for file syncing, then when the web
+terminal is started, a **Terminal** status will be visible in the status bar.
+
+![Web IDE Client Side Evaluation](img/terminal_status.png)
+
+Changes made to your files via the Web IDE will sync to the running terminal
+when:
+
+- <kbd>Ctrl</kbd> + <kbd>S</kbd> (or <kbd>Cmd</kbd> + <kbd>S</kbd> on Mac)
+  is pressed while editing a file.
+- Anything outside the file editor is clicked after editing a file.
+- A file or folder is created, deleted, or renamed.
 
 ### Limitations