move the contributing hook into hack, and use curl in the same way as the gofmt above

and remove the fmt-check one we don't document

tianon tells me they're called GitHub, not Github :)

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@fosiki.com> (github: SvenDowideit)

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au> (github: SvenDowideit)

hack/fmt-check.hook

@@ -1,46 +0,0 @@
-#!/bin/sh
-
-# This pre-commit hook will abort if a committed file doesn't pass gofmt.
-# By Even Shaw <edsrzf@gmail.com>
-# http://github.com/edsrzf/gofmt-git-hook
-
-test_fmt() {
-    hash gofmt 2>&- || { echo >&2 "gofmt not in PATH."; exit 1; }
-    IFS='
-'
-    for file in `git diff --cached --name-only --diff-filter=ACM | grep '\.go$'`
-    do
-        output=`git cat-file -p :$file | gofmt -l 2>&1`
-        if test $? -ne 0
-        then
-            output=`echo "$output" | sed "s,<standard input>,$file,"`
-            syntaxerrors="${list}${output}\n"
-        elif test -n "$output"
-        then
-            list="${list}${file}\n"
-        fi
-    done
-    exitcode=0
-    if test -n "$syntaxerrors"
-    then
-        echo >&2 "gofmt found syntax errors:"
-        printf "$syntaxerrors"
-        exitcode=1
-    fi
-    if test -n "$list"
-    then
-        echo >&2 "gofmt needs to format these files (run gofmt -w and git add):"
-        printf "$list"
-        exitcode=1
-    fi
-    exit $exitcode
-}
-
-case "$1" in
-    --about )
-        echo "Check Go code formatting"
-        ;;
-    * )
-        test_fmt
-        ;;
-esac