remove some stale dependencies

Author: jhidding

pyproject.toml

@@ -8,13 +8,11 @@ readme = "README.md"
 license = "Apache-2.0"
 dependencies = [
         "filelock>=3.12.0,<4",
-        "argh>=0.30,<0.31",
         "rich>=13.3.5,<14",
         "tomlkit>=0.12.1,<0.13",
         "copier>=9,<10",
         "brei>=0.2.3,<0.3",
         "rich-argparse>=1.4.0,<2",
-        "pexpect>=4.9.0,<5",
         "pyyaml>=6.0.1,<7",
         "repl-session>=0.2.0",
         "msgspec>=0.20.0",