bitbake: toaster: Fix the empty packages alert

* Remove a tag in all capitals
* Remove an unnecessary div
* Fix a typo

(Bitbake rev: 1ca139ca157d62cee9c48b22063e77614fa34325)

Signed-off-by: Belen Barros Pena <belen.barros.pena@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/toastergui/templates/bpackage.html

@@ -17,16 +17,14 @@
 
 <!-- Empty - no data in database -->
 <div class="page-header">
-  <div class="page-header">
     <h1>
-    Packages
+        Packages
     </h1>
-    </div>
-  <div class="alert alert-info lead">
-    <STRONG>No packages were built.</STRONG> How did this happen? Well, BitBake reuses as much stuff as possible.
-    If all of the packages needed were already built and available in your build infrastructure, Bitbake
+</div>
+<div class="alert alert-info lead">
+    <strong>No packages were built.</strong> How did this happen? Well, BitBake reuses as much stuff as possible.
+    If all of the packages needed were already built and available in your build infrastructure, BitBake
     will not rebuild any of them. This might be slightly confusing, but it does make everything faster.
-  </div>
 </div>
 
 {% else %}