Brewfile: no more homebrew/versions needed.

Brewfile

@@ -4,7 +4,6 @@ tap 'homebrew/bundle'
 tap 'homebrew/core'
 tap 'homebrew/services'
 tap 'homebrew/test-bot'
-tap 'homebrew/versions'
 cask 'java'
 brew 'autoconf'
 brew 'cmake'
@@ -17,11 +16,12 @@ brew 'hub'
 brew 'icu4c'
 brew 'oniguruma'
 brew 'jq'
+brew 'openssl'
+brew 'pkg-config'
+brew 'node'
 brew 'jsonlint'
 brew 'launch_socket_server', restart_service: true
 brew 'launchdns', restart_service: true
-brew 'openssl'
-brew 'pkg-config'
 brew 'libevent'
 brew 'mas'
 brew 'memcached', restart_service: true
@@ -35,8 +35,8 @@ brew 'redis', restart_service: true
 brew 'ripgrep'
 brew 'shellcheck'
 brew 'ssh-copy-id'
-brew 'homebrew/versions/elasticsearch17'
-brew 'homebrew/versions/mysql56'
+brew '[email protected]'
+brew '[email protected]'
 cask 'appcleaner'
 cask 'doxie'
 cask 'flux'