Bump version, remove chat dependencies

pyproject.toml

@@ -4,18 +4,13 @@ build-backend = "hatchling.build"
 
 [project]
 name = "llm-utils"
-version = "0.2.7"
+version = "0.2.8"
 authors = [
   { name="Nicolas van Kempen", email="[email protected]" },
   { name="Emery Berger", email="[email protected]" },
-  { name="Sam Stern", email="[email protected]" }
-]
-dependencies = [
-  "tiktoken>=0.5.2",
-  "openai>=1.11.0",
-  "botocore>=1.34.34",
-  "requests>=2.31.0",
+  { name="Sam Stern", email="[email protected]" },
 ]
+dependencies = [ "tiktoken>=0.5.2" ]
 description = "Utilities for our LLM projects (CWhy, ChatDBG, ...)."
 readme = "README.md"
 requires-python = ">=3.8"
@@ -31,6 +26,3 @@ classifiers = [
 
 [tool.pytest.ini_options]
 addopts = ["--import-mode=importlib"]
-
-[project.optional-dependencies]
-dev = ["botocore-stubs>=1.34.34", "types-requests>=2.31.0"]