\makeatletter
\def\@hangfrom#1{%
    \setbox\@tempboxa\hbox{{#1}}%
%    \hangindent \wd\@tempboxa%
    \noindent\box\@tempboxa}
\renewcommand\section{\@startsection {section}{1}{0cm}%
                                   {3.5ex \@plus -1ex \@minus -.2ex}%
                                   {2.3ex \@plus.2ex}%
                                   {\normalfont\Large\bfseries}}
\makeatother