tutorials/2019-11-HPNS-Inria: remove blanks

contents/tutorials/2019-11-HPNS-Inria/index.html

@@ -597,9 +597,9 @@ data dependencies.
 <p>
   We will use here the non-simulated version of StarPU, by calling the
   following Guix command
-  <tt><pre>
-      guix environment --pure starpu --ad-hoc starpu grep coreutils emacs less openssh inetutils  -- /bin/bash --norc
-  </pre></tt>
+<tt><pre>
+guix environment --pure starpu --ad-hoc starpu grep coreutils emacs less openssh inetutils  -- /bin/bash --norc
+</pre></tt>
 </p>
 
 <div class="section">
@@ -713,9 +713,9 @@ afterwards.
 
 <p>
 A Guix StarPU-FxT is available. You need to call the following Guix command
-  <tt><pre>
-      guix environment --pure starpu-fxt --ad-hoc starpu grep coreutils emacs less -- /bin/bash --norc
-  </pre></tt>
+<tt><pre>
+guix environment --pure starpu-fxt --ad-hoc starpu grep coreutils emacs less -- /bin/bash --norc
+</pre></tt>
 </p>
 
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