Remove PyYAML dependency

All YAML functionality was deprecated in 1.2.0 and removed in 2.0.0.

Signed-off-by: John Pennycook <john.pennycook@intel.com>

Author: Pennycook

README.md

@@ -38,7 +38,6 @@ portability and maintainability of an application's source code.
 - NumPy
 - pathspec
 - Python 3
-- PyYAML
 - SciPy
 - tabulate
 - tqdm

pyproject.toml

@@ -27,7 +27,6 @@ dependencies = [
   "numpy==1.26.0",
   "matplotlib==3.8.2",
   "pathspec==0.12.1",
-  "pyyaml==6.0.1",
   "scipy==1.12.0",
   "jsonschema==4.21.1",
   "tabulate==0.9.0",