adjust dependencies

Author: jlnav

pyproject.toml

@@ -4,7 +4,7 @@ authors = [{name = "Jeffrey Larson"}, {name = "Stephen Hudson"},
             {name = "Stefan M. Wild"}, {name = "David Bindel"},
             {name = "John-Luke Navarro"}]
 
-dependencies = [ "numpy", "psutil", "pydantic", "pyyaml", "tomli"]
+dependencies = [ "numpy", "psutil", "pydantic"]
 
 description = "A Python toolkit for coordinating asynchronous and dynamic ensembles of calculations."
 name = "libensemble"
@@ -88,16 +88,13 @@ autodoc-pydantic = ">=2.1.0,<3"
 ipdb = ">=0.13.13,<0.14"
 mypy = ">=1.15.0,<2"
 types-psutil = ">=6.1.0.20241221,<7"
-types-pyyaml = ">=6.0.12.20250402,<7"
 
 [tool.pixi.dependencies]
 python = ">=3.10,<3.14"
 pip = ">=24.3.1,<25"
 setuptools = ">=75.6.0,<76"
 numpy = ">=1.21,<3"
 pydantic = ">=1.10,<3"
-pyyaml = ">=6.0,<7"
-tomli = ">=1.2.1,<3"
 psutil = ">=5.9.4,<7"
 
 [tool.pixi.target.osx-arm64.dependencies]