Revert "Code clean up and add example"

This reverts commit 7396970afe.

autogen.sh

@@ -1,33 +1,5 @@
 #!/bin/sh
 # Run this to generate all the initial makefiles, etc.
-RED='\033[0;31m'
-NC='\033[0m' # No Color
-
-case "$(uname -s)" in
-        Linux)
-                if ! [ -x "$(command -v lsblk)" ]; then
-                        echo '' >&2
-                        echo -e "${RED}*** ERROR:${NC}  lsblk cannot be found. Try installing util-linux or util-linux-ng ${RED}***${NC}" >&2
-                        echo '' >&2
-                        exit 1
-                fi
-                if ! [ -x "$(command -v sed)" ]; then
-                        echo '' >&2
-                        echo -e "${RED}*** ERROR:${NC}  sed cannot be found. ***" >&2
-                        echo '' >&2
-                        exit 1
-                fi
-                if ! [ -x "$(command -v tr)" ]; then
-                        echo '' >&2
-                        echo -e "${RED}*** ERROR:${NC}  tr cannot be found. ***" >&2
-                        echo '' >&2
-                        exit 1
-                fi
-        ;;
-        *)
-        ;;
-esac
-
 test -n "$srcdir" || srcdir=$(dirname "$0")
 test -n "$srcdir" || srcdir=.