* refactor aws config options

* fix aws calls in savedsearch
* remove unused scripts

script/donmai/backup_db

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-PGOPTIONS="-c statement_timeout=0" pg_dump -Fc -hdbserver -f /var/www/danbooru2/shared/backup/db-`date +"%Y-%m-%d-%H-%M"`.dump danbooru2

script/donmai/backup_db_to_s3

@@ -1,55 +0,0 @@
-#!/usr/bin/env ruby
-
-require 'rubygems'
-require 'aws-sdk/s3'
-
-MAX_BACKUPS = 30
-
-home = File.expand_path("~")
-
-if !File.exists?("#{home}/.s3/access_key")
-  STDERR.puts "Access key not found"
-  exit 1
-end
-
-if !File.exists?("#{home}/.s3/secret_access_key")
-  STDERR.puts "Secret access key not found"
-  exit 1
-end
-
-access_key = open("#{home}/.s3/access_key").read.strip
-secret_access_key = open("#{home}/.s3/secret_access_key").read.strip
-credentials = Aws::Credentials.new(Danbooru.config.amazon_s3_access_key_id, Danbooru.config.amazon_s3_secret_access_key)
-Aws.config.update({
-  region: "us-east-1",
-  credentials: credentials
-})
-client = Aws::S3::Client.new
-bucket = "danbooru-backup"
-
-current_backups = client.list_objects(buckets: buckets).contents.map {|x| x.key}.select {|x| x =~ /^db-/}.sort.reverse
-
-if current_backups.size > MAX_BACKUPS
-  current_backups[MAX_BACKUPS..-1].each do |old_backup|
-    client.delete_object(bucket: bucket, key: old_backup)
-    puts "Deleted old backup #{old_backup}"
-  end
-end
-
-backup = Dir["/var/www/danbooru2/shared/backup/db-*.dump"].sort.last
-data = File.open(backup, "rb")
-filename = data.mtime.strftime("db-%Y-%m-%d-%H-%M")
-tries = 0
-
-begin
-  client.put_object(bucket: bucket, key: filename, body: data, :acl => "private")
-rescue Errno::EPIPE
-  tries += 1
-  if tries > 3
-    raise
-  else
-    retry
-  end
-end
-
-puts "Uploaded #{backup} as #{filename}"

script/donmai/prune_backup_dbs

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-find /var/www/danbooru2/shared/backup -name 'db-*.dump' -mtime +30 -exec /bin/rm -f {} \;