Remove skip_determinism_check for parso

Summary:
I don't think this has had nondeterminism since the fixpoint implementation; it
became nondeterministic just before I landed that, and I think as a result my cleanup
diff missed it.:

Reviewed By: rchen152

Differential Revision: D97504787

fbshipit-source-id: 905bf38e147937df4bc9f2d8b61bffd2670060f9

Author: stroxler

scripts/projects.py

@@ -561,7 +561,6 @@ def get_mypy_primer_projects() -> list[Project]:
             pyrefly_cmd="{pyrefly} parso",
             expected_mypy_success=True,
             cost={"pyright": 75},
-            skip_determinism_check=True,
         ),
         Project(
             location="https://github.com/konradhalas/dacite",