skeleton: Remove bash specific files

Signed-off-by Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Tested-by: Luca Ceresoli <luca@lucaceresoli.net>

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

system/skeleton/root/.bash_logout

@@ -1,7 +0,0 @@
-# ~/.bash_logout: executed by bash(1) when login shell exits.
-
-# when leaving the console clear the screen to increase privacy
-
-case "`tty`" in
-    /dev/tty[0-9]*) clear
-esac

system/skeleton/root/.bash_profile

@@ -1,7 +0,0 @@
-# .bash_profile
-
-umask 022
-
-if [ -f ~/.bashrc ]; then
-    source ~/.bashrc
-fi