Don't specify sit-down in finished state (#111)

It should be readded for #39.

rules/game_process.tex

@@ -44,7 +44,7 @@ \subsection{Robot States}
 
   \item[Penalized.] A robot is in this state when it has been \texttt{penalized}. The only allowed movement is standing up after falling. Any other movement (including turning the head) is disallowed. Shortly pressing the chest button will switch the robot back to the \texttt{playing} state.
 
-  \item[Finished.] This state is reached when a half is finished. The robots then have to sit down.
+  \item[Finished.] This state is reached when a half is finished.
 
   \item[Calibration.] This state denotes the robot is acting with automatic calibration. This state may only be entered from \texttt{initial} by first pressing the front head button concluded by the chest button, for at least one second by the referees.