Reverted .env.example

.env.example

@@ -1,13 +1,10 @@
 APP_ENV=production
 APP_DEBUG=false
 APP_URL=http://localhost
-APP_TIMEZONE=UTC
-APP_KEY=
-DEBUGBAR_ENABLED=false
+APP_KEY=SomeRandomString
 
 DB_DRIVER=mysql
 DB_HOST=localhost
-DB_UNIX_SOCKET=null
 DB_DATABASE=cachet
 DB_USERNAME=homestead
 DB_PASSWORD=secret
@@ -17,14 +14,11 @@ DB_PREFIX=null
 CACHE_DRIVER=file
 SESSION_DRIVER=file
 QUEUE_DRIVER=sync
-
-CACHET_BEACON=true
 CACHET_EMOJI=false
-CACHET_AUTO_TWITTER=true
 
-MAIL_DRIVER=log
-MAIL_HOST=null
-MAIL_PORT=null
+MAIL_DRIVER=smtp
+MAIL_HOST=mailtrap.io
+MAIL_PORT=2525
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_ADDRESS=null
@@ -36,9 +30,3 @@ REDIS_DATABASE=null
 REDIS_PORT=null
 
 GITHUB_TOKEN=null
-
-NEXMO_KEY=null
-NEXMO_SECRET=null
-NEXMO_SMS_FROM=Cachet
-
-TRUSTED_PROXIES=