[PS] Small note improvement for estimators

semester4/ps/ps-jh/parts/03_expected-value/02_cont.tex

@@ -6,8 +6,6 @@
 \shortlemma[Int über gauss. Glockenk.] $\int_{-\8}^{\8} e^{\frac{-x^2}{2\sigma^2}} \dx x = \sqrt{2 \pi \sigma^2}$
 
 \subsubsection{Beispiele}
-% TODO: Consider if need derivation of them here and prev section as well
-% TODO: Also add the ones proven in exercises
 \begin{itemize}
     \item $\cX \sim \cU([a, b])$, $a < b$: $\E[\cX] = \frac{a + b}{2}$
     \item $\cX \sim \text{Exp}(\lambda)$, $\lambda > 0$: $\E[\cX] = \frac{1}{\lambda}$