Remove unnecessary part

presentations/ImageOnly/Vortrag-Martin.tex

@@ -8,14 +8,6 @@
 \usepackage[T1]{fontenc}    % this is needed for correct output of umlauts in pdf
 \usepackage{tikz}
 
-\newcommand {\framedgraphic}[2] {
-    \begin{frame}{#1}
-        \begin{center}
-            \includegraphics[width=\textwidth,height=0.8\textheight,keepaspectratio]{#2}
-        \end{center}
-    \end{frame}
-}
-
 \newcommand {\framedgraphiconly}[1] {
     \setbeamertemplate{navigation symbols}{}
     \begin{frame}[plain]