remove blank lines from setup.md

Theo Geddes · Theo Geddes · commit ee42a9a816cc · 2022-08-09T15:54:00.000+01:00
diff --git a/setup.md b/setup.md
@@ -280,7 +280,3 @@ This is an advanced feature of GitHub, and will generally be performed by the
 ESMValTool development team.
 
 {% include links.md %}
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