Cleanup repo (a tiny bit) (#1382)

* Delete stale adoc files

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Convert adoc to md

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Add adoc to gitignore

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Delete more random unmaintained files

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Markdown lint

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

substrate/.maintain/getgoing.sh

@@ -1,6 +0,0 @@
-/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
-brew install openssl cmake
-curl https://sh.rustup.rs -sSf | sh
-source ~/.cargo/env
-cargo install --git https://github.com/paritytech/substrate subkey
-cargo install --git https://github.com/paritytech/substrate substrate

substrate/.maintain/runtime-dep.py

@@ -1,34 +0,0 @@
-#!/usr/bin/env python3
-
-# To run this script, you need to install the 'toml' python package and install the 'graphviz' package:
-# pip install toml
-# sudo apt-get install graphviz
-# the first parameter is the runtime folder
-# python ./.maintain/runtime-dep.py ./substrate/runtime | dot -Tpng -o output.png
-import sys
-import os
-import toml
-
-if len(sys.argv) != 2:
-    print("needs the runtime folder.")
-    sys.exit(-1)
-
-runtime_dir = sys.argv[1]
-
-files = [os.path.join(runtime_dir, f, 'Cargo.toml') for f in os.listdir(runtime_dir) if os.path.isfile(os.path.join(runtime_dir, f, 'Cargo.toml')) and f != 'example']
-
-print("digraph G {")
-
-
-PREFIX = "substrate-runtime-"
-
-for f in files:
-    manifest = toml.load(f)
-
-    package_name = manifest['package']['name']
-    deps = [d for d in manifest['dependencies'].keys() if d.startswith(PREFIX)]
-
-    for d in deps:
-        print("    \"{}\" -> \"{}\";".format(package_name, d))
-
-print("}")

substrate/.maintain/update-deps.sh

@@ -1,9 +0,0 @@
-#!/bin/sh --
-set -eu
-case $0 in
-   (/*) dir=${0%/*}/;;
-   (*/*) dir=./${0%/*};;
-   (*) dir=.;;
-esac
-
-find "$dir/.." -name Cargo.lock -execdir cargo update \;