chore: remove support email (#97)

The email is only for paying customers. Removing this will help us get
random support requests.

Author: matifali

registry/coder/README.md

@@ -4,7 +4,6 @@ bio: Coder provisions cloud development environments via Terraform, supporting L
 github: coder
 linkedin: https://www.linkedin.com/company/coderhq
 website: https://www.coder.com
-support_email: [email protected]
 status: official
 ---