[BL training-materials-updates] Remove tip that can be found in the lectures

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=a738da602ca6c41acd18de75330c033a7ecc0180

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

commit a738da602ca6c41acd18de75330c033a7ecc0180
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Wed Sep 26 10:55:57 2018 +0200

    Remove tip that can be found in the lectures
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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

a738da602ca6c41acd18de75330c033a7ecc0180
 .../kernel-compiling-and-nfs-booting.tex                              | 4 +---
 labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex  | 3 ---
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex b/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
index 257988e..a06c9d7 100644
--- a/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
+++ b/labs/kernel-compiling-and-nfs-booting/kernel-compiling-and-nfs-booting.tex
@@ -44,11 +44,9 @@ Install packages needed for configuring, compiling and booting
 the kernel for your board:
 
 \begin{verbatim}
-sudo apt install qt5-default g++ pkg-config libssl-dev bison flex
+sudo apt install libssl-dev bison flex
 \end{verbatim}
 
-\code{qt5-default} and \code{g++} are needed for \code{make xconfig}.
-
 \section{Cross-compiling toolchain setup}
 
 We are going to install a cross-compiling toolchain from Linaro, a
diff --git a/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex b/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex
index d0c20c5..2261d2f 100644
--- a/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex
+++ b/labs/sysdev-kernel-cross-compiling/sysdev-kernel-cross-compiling.tex
@@ -14,9 +14,6 @@ After this lab, you will be able to:
 
 Go to the \code{$HOME/embedded-linux-labs/kernel} directory.
 
-Install the \code{qt5-default} package which is needed for the
-\code{xconfig} kernel configuration interface.
-
 \section{Target system}
 
 We are going to cross-compile and boot a Linux kernel for the Microchip