docs: remove RC1 from header
% Title page and running header definition
\lhead{ \small {\color{logodarkgrey}\fontfamily{phv}\selectfont { Install Guide
- (v\OHPCVersion{} RC1)}: {\baseOS{}/\arch{} + \provheader{} + \rms{}} } \vspace*{0pt} }
+ (v\OHPCVersion{})}: {\baseOS{}/\arch{} + \provheader{} + \rms{}} } \vspace*{0pt} }
{\hspace*{4in} \includegraphics[width=1.7in]{ohpc_logo_blue.pdf}}
