build: removed old pyproject.toml based on poetry

pyproject.toml.old

@@ -1,48 +0,0 @@
-[tool.poetry]
-name = "app_skellington"
-version = "0.1.0"
-description = "app_skellington CLI framework"
-authors = [
-    "Mathew Guest <mat@zavage.net>",
-]
-license = "MIT"
-readme = "README.md"
-homepage = "https://zavage-software.com"
-repository = "https://git-repos.zavage.net/Zavage-Software/app_skellington"
-documentation = "https://git-repos.zavage.net/Zavage-Software/app_skellington"
-keywords = [""]
-
-packages = [{ include = "app_skellington" }]
-include = [
-    "README.md",
-]
-
-# [tool.poetry.scripts]
-
-
-[tool.poetry.dependencies]
-python = "^3.8"
-
-[tool.poetry.group.dev.dependencies]
-black = "*"
-pre-commit = "*"
-isort = "*"
-flake8 = "*"
-#pytest = "^7.2"
-#Sphinx = "^5.3.0"
-#sphinx-rtd-theme = "^1.3.0"
-
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
-
-[tool.black]
-line-length = 120
-target-version = ['py38']
-
-[tool.isort]
-multi_line_output = 3
-combine_as_imports = true
-include_trailing_comma = true
-force_grid_wrap = 3
-ensure_newline_before_comments = true