Remove occurrence of word 'confidential' from a comment in docs (#617)

Signed-off-by: Andy Fingerhut <andy_fingerhut@alum.wustl.edu>

Author: jafingerhut

docs/bfn_latex.sty

@@ -24,6 +24,5 @@
 \fancyhead[R]{\sl\sffamily\footnotesize\textbf{\chaptermark}}
 \fancyfoot[L]{\sffamily\footnotesize\textbf{Barefoot Networks}}
 %\fancyfoot[C]{\sffamily\footnotesize\thepage}
-%\fancyfoot[R]{\sffamily\scriptsize\textbf{Company Confidential}}
 \fancyfoot[R]{\sffamily\footnotesize\thepage}
 \renewcommand\footrulewidth{.4pt}