Fixing windows SFU platform scripts.

[mcottontensor]

Relevant components:

• Signalling server
• Common library
• Frontend library
• Frontend UI library
• Matchmaker
• Platform scripts
• SFU

Problem statement:

Running the SFU platform scripts on windows results in an error.

Solution

There is a environment variable used in the platform scripts that is never setup. This leads to the script referring to a location that doesn't exist. The variable is not actually needed so removing it fixes the issue.

[changeset-bot]

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Latest commit: 2453a63

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[github-actions]

💚 All backports created successfully

Status	Branch	Result
✅	UE5.5
✅	UE5.6

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