fix: ACNA-1652 - update the delete command (move code from generator-aio-app)

[shazron]

Description

This is the only code in aio app:delete that requires use of a generator. Removing the minimal code from the generator in another module into the command itself.

How Has This Been Tested?

• manual test
• npm test

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #570 (7afacb0) into master (d56946a) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #570   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           50        50           
  Lines         2610      2619    +9     
  Branches       474       476    +2     
=========================================
+ Hits          2610      2619    +9     

Impacted Files	Coverage Δ
src/commands/app/delete/ci.js	100.00% <100.00%> (ø)

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