Cleanup duplicate dependency package deceleration

Fixes issues when using `meteor update`

```
=> Errors while initializing project:

While reading project metadata:
/{path-to}/Telescope/.meteor/packages: Package name appears twice: telescope-update-prompt
/{path-to}/Telescope/.meteor/packages: Package name appears twice: telescope-notifications
/{path-to}/Telescope/.meteor/packages: Package name appears twice: telescope-kadira
```