challenge: Remove useless code

pkg/challenge/Dockerfile

@@ -27,13 +27,13 @@ RUN apk add --no-cache --initdb -p /out \
     fbida-doc \
     htop \
     htop-doc \
+    inetutils-telnet \
     iproute2 \
     iproute2-doc \
     jq \
+    jq-doc \
     kbd \
-    kbd-bkeymaps \
     kbd-doc \
-    kbd-vlock \
     less \
     losetup \
     mandoc \
@@ -52,8 +52,6 @@ RUN apk add --no-cache --initdb -p /out \
     tcpdump-doc \
     testdisk \
     testdisk-doc \
-    tini \
-    ttf-inconsolata \
     util-linux \
     util-linux-doc \
     wireguard-tools-wg \

pkg/challenge/init

@@ -68,10 +68,6 @@ done
 # Prepare bonus 2
 mkdir -p /mnt
 
-for l in a b c d e f g h i j k l m n o p q r s t u v w x y z zz; do
-    [ -b /dev/sd$l ] || break
-done
-
 /bin/dd if=/dev/zero of=/dev/blk count=1 bs=10240000 > /dev/null 2> /dev/null
 cat <<EOF | fdisk /dev/blk > /dev/null 2> /dev/null
 n