Delete a project environment variable

## Usage

`circleci project envvar delete <name> [flags]`

Aliases: `circleci project envvar rm`

## Arguments

`<name>` is the name of the environment variable to delete from
the project. This action is irreversible.

## Flags

| Flag               | Description                                             |
| ------------------ | ------------------------------------------------------- |
| `-f, --force`      | skip confirmation prompt                                |
| `--project string` | Project slug (e.g. gh/org/repo); defaults to git remote |

Global flags: `-c, --config`, `--debug`, `--no-color`, `-q, --quiet` — see `circleci --help`.

## Examples

- Delete an env var from the current project (with confirmation): 
  `circleci envvar delete MY_SECRET`
- Delete without confirmation: 
  `circleci envvar delete MY_SECRET --force`
- Delete an env var from a specific project: 
  `circleci envvar delete MY_SECRET --project gh/myorg/myrepo --force`

## Details

Delete an environment variable from a CircleCI project.

This action is irreversible. The variable will be removed and any
jobs that reference it will fail until a new value is set.

