Remove key function and fix typo

When running the script piped through bash, you cannot
wait for a key press, so we just remove it for now.

bibliotecha.sh

@@ -45,13 +45,6 @@ CAPTIVE_PORTAL_PATH="/var/www/bibliotecha"
 CALIBRE_WEB_PATH="/var/www/calibre-web"
 LIGHTTPD_CONFIG_PATH="/etc/lighttpd/bibliotecha"
 
-function await_any_key {
-    echo "" 
-    # shellcheck disable=SC2034
-    read -n1 -rsp $"Press any key to continue ..." key
-    echo ""
-}
-
 function ensure_root_account {
   echo "Checking user account ..."
 
@@ -85,7 +78,7 @@ function show_introduction_text {
   echo "This script will attempt to setup the following infrastructure:"
   echo ""
   echo "* A Python 3 environment"
-  echo "* A Wifi hotspot with DNS DHCP services enabled"
+  echo "* A Wifi hotspot with DNS and DHCP services enabled"
   echo "* A web server"
   echo "* A Calibre library"
   echo "* A Calibre-web service"
@@ -99,8 +92,6 @@ function show_introduction_text {
   echo ""
   echo "      https://manual.bibliotecha.info/#troubleshooting"
   echo ""
-
-  await_any_key
 }
 
 function ensure_buster_based_distribution {