Remove the <small> from the copyright footer, because it was causing the markup

to be invalid.


[SVN r40938]

tools/boostbook

@@ -1 +1 @@
-Subproject commit d8ef7a46b8ae21bfd6ba1f59a38490012a93de75
+Subproject commit 2b41478df078578fb6bf287ffa53357b99a51e4d