Move all default user group modifications to the 10-setup_user.sh script

overlay/usr/bin/ensure-groups

@@ -1,45 +0,0 @@
-#!/bin/bash
-
-# Source: https://github.com/games-on-whales/gow/
-
-set -e
-
-function join_by { local IFS="$1"; shift; echo "$*"; }
-
-declare -A group_map
-
-for dev in "$@"; do
-    # Only process $dev if it's a character device
-    if [ ! -c "$dev" ]; then
-        continue
-    fi
-
-    dev_group=$(stat -c "%G" "$dev")
-    dev_gid=$(stat -c "%g" "$dev")
-
-    if [ "$dev_group" = "UNKNOWN" ]; then
-        new_name="user-gid-$dev_gid"
-        # We only have a GID for this group; create a named group for it
-        # this isn't 100% necessary but it prevents some useless noise in the console
-        groupadd -g $dev_gid "$new_name"
-        group_map[$new_name]=1
-    else
-        # the group already exists; just add it to the list
-        group_map[$dev_group]=1
-    fi
-done
-
-# uinput is usually set to be read/write only by user root, we want to allow the group too
-if [ -e /dev/uinput ]; then
-    echo "Allow /dev/uinput r/w to the group"
-    chmod 0660 /dev/uinput
-fi
-
-groups=$(join_by "," "${!group_map[@]}")
-if [ "$groups" != "" ]; then
-    echo "Adding user '${USER}' to groups: $groups"
-
-    usermod -a -G $groups ${USER}
-else
-    echo "Not modifying user groups ($groups)"
-fi