exercise-classification: Removed the permanent solutionsflag introduc…

…ed while creating the information gain task

exercise/4-Classification.tex

@@ -1,5 +1,3 @@
-\def\solutionsflag{}
-
 \documentclass[
 english,
 smallborders
@@ -69,19 +67,6 @@ \section*{Preparation}
 
 \section*{Exercise 1: Decision Trees}
 
-\begin{comment}
-% Table for Exercise 1
-Age; Age1; Age2; Major; Participation; Passed?
-23; <=23,5; <=25; CS; High; Yes
-23; <=23,5; <=25; DS; Low; No
-26; >23,5; >25; DS; High; Yes
-24; >23,5; <=25; CS; Medium; Yes
-26; >23,5; >25; DS; Medium; No
-26; >23,5; >25; DS; Low; No
-
-% Good site to check: https://planetcalc.com/8421/
-\end{comment}
-
 Given is a dataset $D$:
 
 \begin{center}