Fix up pyproject.toml

Summary:
* Adds missing name key
* Removes relative paths to README and LICENSE. Relative paths make maturin sad (https://github.com/rchen152/pyrefly/actions/runs/14933805156/job/41956395480) (cc yangdanny97)

Reviewed By: yangdanny97

Differential Revision: D74492389

fbshipit-source-id: b9bcdd50ad6cf16fe05dcfde83afcc82dd25cbe4

Author: rchen152

pyrefly/pyproject.toml

@@ -12,10 +12,9 @@ homepage = "https://pyrefly.org"
 documentation = "https://pyrefly.org/en/docs/"
 
 [project]
+name = "pyrefly"
 description = "A faster Python type checker written in Rust"
-readme = "../README.md"
 requires-python = ">=3.8"
-license = {file = "../LICENSE"}
 keywords = ["typechecker", "typechecking"]
 classifiers = [
   "Development Status :: 3 - Alpha",