Composer: remove redundant CLI argument from scripts

[jrfnl]

Summary

This PR can be summarized in the following changelog entry:

• QA

Relevant technical choices:

CLI arguments should either be encoded in the config file or set by the dev-user. This is neither here nor there.

Test instructions

This PR can be tested by following these steps:

• N/A

[coveralls]

Pull Request Test Coverage Report for Build 6985605952

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 56.274%

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Totals
Change from base Build 6925901472:	0.0%
Covered Lines:	148
Relevant Lines:	263

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💛 - Coveralls