chore(installer): Fixed install script dependency parsing

What was the problem/requirement? (What/Why)

The dependency parsing in the install script was too simplistic and was failing with certain dependencies of deadline-cloud when using it as a local dependency.

What was the solution? (How)

Stop trying to parse the dependencies and just pass through the dependency string.

What is the impact of this change?

The install script works when using deadline-cloud as a local-dep

How was this change tested?

Ran the install script and it worked.

Did you run the "Job Bundle Output Tests"? If not, why not? If so, paste the test results here.

Not applicable to this change.

Was this change documented?

N/A

Is this a breaking change?

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aws-deadline / deadline-cloud-for-maya