fix(build): remove toc plugin

Gemfile

@@ -18,7 +18,6 @@ gem "minima", "~> 2.5"
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.17"
   gem "jekyll-paginate"
-  gem "jekyll-toc"
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem

_config.yml

@@ -35,7 +35,6 @@ theme: minima
 plugins:
   - jekyll-feed
   - jekyll-paginate
-  - jekyll-toc
 
 sass:
   style: compressed

_layouts/post.html

@@ -25,12 +25,6 @@ <h1>{{ page.title }}</h1>
     {% endif %}
   </div>
 
-  <div>
-  Table of Contents:
-  </div>
-  {% toc %}
-  <hr>
-
   {{ content }}
 
 </div>

_posts/2022-09-30-cryosat-blog.md

@@ -4,9 +4,13 @@ title: 'Hello World'
 date: 2022-09-30
 synopsis: Introducing Cryostat's Upstream Blog
 author: Andrew Azores
-toc: true
 ---
 
+#### Table of Contents
+* auto-gen TOC:
+{:toc}
+<hr>
+
 Hello, readers!
 
 The Cryostat team is excited to add this blog feature to our upstream guides and documentation website.

_posts/2022-10-18-archive-on-stop.md

@@ -4,9 +4,13 @@ title: '"Archive On Stop" feature in the Cryostat 2.2'
 date: 2022-10-18
 synopsis: Cryostat 2.2 New features
 author: Leticia Konno
-toc: true
 ---
 
+#### Table of Contents
+* auto-gen TOC:
+{:toc}
+<hr>
+
 Hello, readers!
 
 There is a new option by default for Custom Flight Recording creation to have the recording automatically archived on stop. 

_posts/2022-11-15-cryostat-release.md

@@ -4,9 +4,13 @@ title: Cryostat 2.2.0 is Released!
 date: 2022-11-15
 synopsis: Cryostat 2.2.0 is here. Learn what's new in this release.
 author: Andrew Azores
-toc: true
 ---
 
+#### Table of Contents
+* auto-gen TOC:
+{:toc}
+<hr>
+
 Hello readers, and welcome back to the Cryostat blog. Today we have exciting news: Cryostat 2.2.0 is released!
 
 Upstream container images and assets are available at the usual sources:

_posts/2023-05-03-agent-threads-investigation.md

@@ -4,9 +4,13 @@ title: 'An Introspective Investigation'
 date: 2023-05-03
 synopsis: Investigating a bug in the new Cryostat Agent, using Cryostat.
 author: Andrew Azores
-toc: true
 ---
 
+#### Table of Contents
+* auto-gen TOC:
+{:toc}
+<hr>
+
 *Preface: this blog post is about the new [Cryostat Agent](https://github.com/cryostatio/cryostat-agent),
 which is coming (very soon!) in the Cryostat 2.3 release. The problem being investigated could potentially
 affect any application running on a JVM however, so consider the Agent to just be a generic application

_posts/2023-05-26-cryostat-release.md

@@ -4,9 +4,13 @@ title: Cryostat 2.3.0 is Released!
 date: 2023-05-26
 synopsis: Cryostat 2.3.0 is here. Learn what's new in this release.
 author: Andrew Azores
-toc: true
 ---
 
+#### Table of Contents
+* auto-gen TOC:
+{:toc}
+<hr>
+
 Hello everyone,
 
 We are pleased to announce the release of Cryostat 2.3!