[bootlin/training-materials updates] master: Boot time lab: remove unnecessary / redundant section (547aa181)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/547aa181771580ee05fd680ef1c4d69deedefbdb

>---------------------------------------------------------------

commit 547aa181771580ee05fd680ef1c4d69deedefbdb
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Tue May 17 18:06:44 2022 +0200

    Boot time lab: remove unnecessary / redundant section
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

547aa181771580ee05fd680ef1c4d69deedefbdb
 labs/boot-time-application/boot-time-application.tex | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/labs/boot-time-application/boot-time-application.tex b/labs/boot-time-application/boot-time-application.tex
index 97edfdae..782e4830 100644
--- a/labs/boot-time-application/boot-time-application.tex
+++ b/labs/boot-time-application/boot-time-application.tex
@@ -120,23 +120,6 @@ Looking at the \code{ffmpeg} log which displays enabled configuration
 settings, try to find further configuration switches which can be
 removed without breaking the player in our particular system.
 
-\subsection{Inspection of the whole root filesystem}
-
-Something that can help too is to inspect the whole root filesystem,
-looking for files that don't seem necessary.
-
-The easiest way is to do this on the workstation:
-\begin{verbatim}
-sudo apt install tree
-cd /media/$USER/rootfs
-tree
-\end{verbatim}
-
-The \code{tree} command really makes this task easier.
-For the moment, don't bother about BusyBox and system files. They will
-be addressed later. Better focus on files and libraries related to
-\code{ffmpeg}.
-
 \subsection{Further analysis of the application}
 
 With a build system like Buildroot, it's easy to add performance