remove unnessesary packages

wbh.tex

@@ -101,6 +101,7 @@ $endif$
 \setlength{\emergencystretch}{3em} % prevent overfull lines
 
 % PDF Metadata
+% ------------------------------------------------------------------
 \hypersetup{
 	unicode=false, 
 	pdftoolbar=true, 
@@ -158,10 +159,10 @@ $if(listings)$
 	\makeatother
 $endif$
 
-% \pdfinfo{/CreationDate (D:20170605133321)}
 \renewcommand{\familydefault}{\sfdefault}
 
 % Pandoc tightlisting
+% ------------------------------------------------------------------
 \providecommand{\tightlist}{%
   \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}