Clean up config_loader documentation and update project configuration

- Remove obsolete config_loader_prompt_feature.md documentation
- Update pyproject.toml configuration

Author: vawsgit

docs/config_loader_prompt_feature.md

@@ -29,7 +29,6 @@ dependencies = [
     "boto3>=1.26.0,<2.0.0",
     "botocore>=1.29.0,<2.0.0",
     "docstring_parser>=0.15,<1.0",
-    "jsonschema>=4.0.0,<5.0.0",
     "mcp>=1.11.0,<2.0.0",
     "pydantic>=2.0.0,<3.0.0",
     "PyYAML>=6.0.0,<7.0.0",