ns platform clean errors

[PeterStaev]

Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• CLI: 7.0.4
• Cross-platform modules: 7.0
• Android Runtime: 7.0
• iOS Runtime: 7.0
• Plugin(s):

Describe the bug
Running ns platform clean on brand new project fails

To Reproduce

ns create test --tsc
cd test
ns build ios
ns platform clean ios

Output for clean:

Platform ios successfully removed.
Copying template files...
Command npm failed with exit code 1

Expected behavior
Not to have an error.

Sample project

Additional context