init: remove .git directory after clone

[cmcarthur]

16:35 $ dbt init test-project
Creating dbt configuration folder at /Users/connor/.dbt

Your new dbt project "test-project" was created! If this is your first time
using dbt, you'll need to set up your profiles.yml file -- this file will
tell dbt how to connect to your database. You can find this file by running:

  open /Users/connor/.dbt

For more information on how to configure the profiles.yml file,
please consult the dbt documentation here:

  https://dbt.readme.io/docs/configure-your-profile

One more thing:

Need help? Don't hesitate to reach out to us via GitHub issues or on Slack --
There's a link to our Slack group in the GitHub Readme. Happy modeling!

(dbt-development-3.6) ✔ ~/git/test
16:35 $ ls -al test-project/
total 24
drwxr-xr-x  9 connor  staff   306 Jul 13 16:35 .
drwxr-xr-x  3 connor  staff   102 Jul 13 16:35 ..
-rw-r--r--  1 connor  staff    28 Jul 13 16:35 .gitignore
-rw-r--r--  1 connor  staff   323 Jul 13 16:35 README.md
drwxr-xr-x  3 connor  staff   102 Jul 13 16:35 analysis
drwxr-xr-x  3 connor  staff   102 Jul 13 16:35 data
-rw-r--r--  1 connor  staff  1370 Jul 13 16:35 dbt_project.yml
drwxr-xr-x  3 connor  staff   102 Jul 13 16:35 models
drwxr-xr-x  3 connor  staff   102 Jul 13 16:35 tests

[drewbanin]

approved!