#163421750 Delete meetup

[oldmonad]

What does this PR do?

This PR give an admin the ability to delete a meetup

Description of Task to be completed?

Have DELETE (/api/v1/meetups/meetupid) route working

How should this be manually tested?

• Clone the repo and run npm install to install dependencies.
• Download and install postgresql from this link
• Setup postgreql using this guide
• run npm migrate to create the tables
• run npm start:dev to start server
• check the server/test/testData folder route for the input formats and proceed to testing with postman
• alternatively run npm run test to test the endpoint

What are the relevant pivotal tracker stories?

• #163421750