"Remove now unused import"

Klausuren/exam.tex

@@ -4,7 +4,6 @@ noanswers]  % answers or noanswers
 
 \usepackage[utf8]{inputenc}
 \usepackage[T1]{fontenc}
-%\usepackage[a4paper]{typearea}
 \usepackage{graphicx,amssymb,amsmath,multirow,tabularx,pgf,pgfpages}
 \usepackage{libertine}
 \usepackage[ngerman]{babel}