Outdated link in generated code comments points to archived 'greg' repository

[7etsuo]

lighthouse2/lib/platform/platform.cpp

Line 3097 in e61e654

* https://github.com/elmindreda/greg/blob/master/templates/greg.c.in#L176

Expected Result:
The link in the comment should lead to a valid file or should be updated/removed if it's no longer relevant.

Actual Result:
The link directs to an archived repository with the specified path missing.

Suggested Fix:
The comment should be removed to avoid confusion.