Remove unused Sandbox title and associated files.

Replace with Commercial Support stub, for population by
whoever wants to offer some relevant service

Signed-off-by: Mick <[email protected]>

Author: ArcEye

Makefile

@@ -16,10 +16,6 @@ all:	docs/man/man1/index.asciidoc \
 	docs/man/man9/index.asciidoc \
 	docs/machinetalk/protobuf.asciidoc
 
-# this should be made minimal
-#	scripts/filenums
-
-
 # all asciidoc documents in this repo
 MAN1 := $(filter-out docs/man/man1/index.asciidoc, $(wildcard docs/man/man1/*.asciidoc))
 MAN3 := $(filter-out docs/man/man3/index.asciidoc, $(wildcard docs/man/man3/*.asciidoc))

_includes/commercial-support.html

@@ -0,0 +1,7 @@
+<commercial>
+    <div class="unit align-left center-on-mobiles">
+      <p>
+        <a href="http://machinekit.io/docs/commercial-support/index.html">Commercial Support</a>
+      </p>
+    </div>
+</commercial>

_includes/primary-nav-items.html

@@ -27,7 +27,7 @@
     {% include search-bar.html %}
   </li>
   <li>
-    {% include sandbox.html %}
+    {% include commercial-support.html %}
   </li>
   <li>
     {% include edit-me.html %}

_includes/sandbox.html

@@ -0,0 +1,8 @@
+---
+---
+
+:skip-front-matter:
+= Machinekit Commercial Support
+
+This is a placeholder
+

docs/commercial-support/index.asciidoc

@@ -32,11 +32,6 @@ it runs a http://www.machinekit.io/linkchecker.html[linkchecker]
 step to analyze the site for broken links.
 
 
-== Contributing a new page: use the link:http://www.machinekit.io/docs/sandbox/index.html[sandbox] to get started!
-
-Mick came up with this neat idea - just follow the instructions there and commit as PR!
-See the Sandbox link on the right above the Search box.
-
 == Contributing a large chunk of material: editing and previewing locally
 
 The 'Edit this page' process is great for small changes. For big chunks of material - not so much. In this case it is best to set up jekyll-asciidoctor locally. The edit-preview turnaround is very quick - Instructions will follow here hortly !