remove the dependency lock file

[ocobles]

Remove the.teraform.lock.hcl file and add it to .gitignore to be in line with the Equinix terraform module standards

https://github.com/equinix-labs/equinix-labs/blob/7f04358f109e53ddbfcb08ba0cd68b0b7016c227/terraform-module-standards.md?plain=1#L25