Rename partial-differential-equations title

Author: valentjn

src/lectures/partial-differential-equations/metadata.tex

@@ -1,3 +1,3 @@
-\newcommand*{\vorlesung}{Partielle Dif"|ferentialgleichungen (Modell., Analysis, Sim.)}
+\newcommand*{\vorlesung}{Partielle Dif"|ferentialgleichungen}
 \newcommand*{\dozent}{Jun.-Prof.\ Dr.\ Bernard \name{Haasdonk}}
 \newcommand*{\semester}{Wintersemester 2013/14}