debugging: slides: enlarge unnecessarily small block

Make the font as large as the previous blocks. No need to have it smaller.

Signed-off-by: Luca Ceresoli <[email protected]>

slides/debugging-system-wide-profiling/debugging-system-wide-profiling.tex

@@ -294,7 +294,7 @@ \subsection{perf}
     \item Remove an existing tracepoint:
   \end{itemize}
   \begin{block}{}
-    \begin{minted}[fontsize=\tiny]{console}
+    \begin{minted}[fontsize=\scriptsize]{console}
 $ perf probe -d probe:ksys_read__return
     \end{minted}
   \end{block}