docs: Remove DO badge

docs/_includes/digitalocean.html

@@ -1,6 +0,0 @@
-<div class="text-center">
-	<a href="https://www.digitalocean.com/?refcode=5e51b1b100d7&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=badge" style="color: black;">
-		<img src="https://web-platforms.sfo2.cdn.digitaloceanspaces.com/WWW/Badge%201.svg" />
-		<p><strong>Sign up for DigitalOcean Cloud today and<br/>get $100 credit for free!</strong></p>
-	</a>
-</div>

docs/_layouts/board.html

@@ -59,10 +59,6 @@ layout: default
 		</div>
 		<hr />
 	</div>
-	<div class="container">
-{% include digitalocean.html %}
-		<hr />
-	</div>
 	<div class="container" id="downloads">
 		<h3>Downloads for {{ page.board_name }}</h3>
 		<table class="table table-sm table-hover">

docs/boards.html

@@ -6,10 +6,6 @@ layout: default
 	<div class="container">
 		<h2>Supported boards</h2>
 		<p>Minimal, pure and up-to-date vanilla Debian/Ubuntu Linux SD card images for various ARM-based single board computers (SBCs).</p>
-		<hr />
-	</div>
-	<div class="container">
-{% include digitalocean.html %}
 	</div>
 	<div class="container">
 		<table class="table table-sm table-hover">

docs/index.html

@@ -39,10 +39,6 @@ layout: default
 		</div>
 		<hr />
 	</div>
-	<div class="container">
-{% include digitalocean.html %}
-		<hr />
-	</div>
 	<div class="container">
 		<h3>Supported boards</h3>
 		<ul class="list-inline">

docs/tips-and-tricks.html

@@ -8,9 +8,6 @@ layout: default
 		<p>Here's a collections of tips and tricks for setting up the images.</p>
 		<hr />
 	</div>
-	<div class="container">
-{% include digitalocean.html %}
-	</div>
 	<div class="container">
 		<hr />
 		<h3>Change root password</h3>