[FIX] latex style: compatibility with sphinx 1.6+

As of 1.6 and PR sphinx-doc/sphinx#3550, \ifsphinxpdfoutput is gone. It
was not really necessary in the first place, mostly a leftover from an
old copy of sphinx's \maketitle commands.

Also make the title slightly less huge ;-)

_static/latex/odoo.sty

@@ -82,17 +82,11 @@
 \renewcommand{\footrulewidth}{0.1pt}
 
 \renewcommand{\maketitle}{%
-  \noindent\rule{\textwidth}{1pt}\ifsphinxpdfoutput\newline\null\fi\par
+  \noindent\rule{\textwidth}{1pt}\par
-  \ifsphinxpdfoutput
-    \begingroup
-     %\pdfstringdefDisableCommands{\def\\{, }\def\endgraf{ }\def\and{, }}%
-     %\hypersetup{pdfauthor={\@author}, pdftitle={\@title}}%
-    \endgroup
-  \fi
   \begin{flushright}
     \sphinxlogo
     \py@HeaderFamily
-    {\Huge \@title }\par
+    {\huge \@title }\par
   \end{flushright}
   \@thanks
   \setcounter{footnote}{0}
@@ -118,4 +112,4 @@
   \newpage
 }
 
-\makeatother
+\makeatother