docs: remove duplicated line in 12.0.1 release notes file

Signed-off-by: Brian Paul <brianp@vmware.com>
diff --git a/docs/relnotes/12.0.1.html b/docs/relnotes/12.0.1.html
index 1571f48..1b7976d 100644
--- a/docs/relnotes/12.0.1.html
+++ b/docs/relnotes/12.0.1.html
@@ -16,8 +16,6 @@
 
 <h1>Mesa 12.0.1 Release Notes / July 8, 2016</h1>
 
-<h1>Mesa 12.0.1 Release Notes / July 8, 2016</h1>
-
 <p>
 Mesa 12.0.1 is a bug fix release which fixes bugs found since the 12.0.1 release.
 </p>