Remove "artisan command" that's not working anyway

Merge pull request aloha#165 from jdavidbakr/master

Changing 'getenv()' to 'env()' in the sample config file

Merge pull request aloha#156 from derekmd/update-docblock

Update docblock for twilio/sdk 5.*

Merge pull request aloha#152 from sergio-agosti/master

Fix use of $params in facade message method

Merge pull request aloha#149 from reedmaniac/4.x

Twilio 4.x

Merge pull request aloha#138 from cbj4074/patch-1

Re-add upper bound on twilio/sdk version constraint

Remove upper limit of twilio dependency. Way too instable.