remove unsupported html tags

Author: thelamer

ansible/roles/documentation/templates/README_SNIPPETS/SELKIES.j2

@@ -100,7 +100,7 @@ SealSkin is a self-hosted, client-server platform that provides secure authentic
 This container is based on [Docker Baseimage Selkies](https://github.com/linuxserver/docker-baseimage-selkies).
 
 <details>
-<summary><b>Click to expand: Optional Environment Variables</b></summary>
+<summary>Click to expand: Optional Environment Variables</summary>
 
 | Variable | Description |
 | :----: | --- |
@@ -139,7 +139,7 @@ This container is based on [Docker Baseimage Selkies](https://github.com/linuxse
 </details>
 
 <details>
-<summary><b>Click to expand: Optional Run Configurations (DinD & GPU Mounts)</b></summary>
+<summary>Click to expand: Optional Run Configurations (DinD & GPU Mounts)</summary>
 
 | Argument | Description |
 | :----: | --- |
@@ -150,7 +150,7 @@ This container is based on [Docker Baseimage Selkies](https://github.com/linuxse
 </details>
 
 <details>
-<summary><b>Click to expand: Legacy X11 Resolution & Acceleration</b></summary>
+<summary>Click to expand: Legacy X11 Resolution & Acceleration</summary>
 
 **Note:** This section applies only if you are **NOT** using `PIXELFLUX_WAYLAND=true`.
 
@@ -211,7 +211,7 @@ You can install packages from the system's native repository using the [universa
 ### Advanced Configuration
 
 <details>
-<summary><b>Click to expand: Hardening Options</b></summary>
+<summary>Click to expand: Hardening Options</summary>
 
 These variables can be used to lock down the desktop environment for single-application use cases or to restrict user capabilities.
 
@@ -235,7 +235,7 @@ These variables can be used to lock down the desktop environment for single-appl
 </details>
 
 <details>
-<summary><b>Click to expand: Selkies Application Settings</b></summary>
+<summary>Click to expand: Selkies Application Settings</summary>
 
 Using environment variables every facet of the application can be configured.