Fix bug where "label=" would show up on cover before "Thesis Committee:".

ruthesis.sty

@@ -284,12 +284,10 @@ in this publication does not imply, even in the absence of a specific statement
   % \setlength{\pltopsep}{0.5\baselineskip}  % first/top space
   % \setlength{\plparsep}{0.5\baselineskip} % space between entries
   % \setlength{\plitemsep}{0.5\baselineskip} % space between lines
-  \begin{itemize}[label={}]
-  \item \supervisorheading@ruthesis{}:
+  \supervisorheading@ruthesis{}:
   \begin{itemize}[label={}]\setlength\itemsep{\baselineskip} 
     \supervisors@ruthesis{}
   \end{itemize}
-  \end{itemize}
 }\vfill}
 
 \renewenvironment{abstract}