Switch build system from Setuptools to Hatchling

Author: justinmayer

pyproject.toml

@@ -45,7 +45,6 @@ dev = [
 project-name = "FeedGenerator"
 git-username = "botpub"
 git-email = "52496925+botpub@users.noreply.github.com"
-build-system = "setuptools"
 
 [tool.pytest.ini_options]
 addopts = """
@@ -55,13 +54,6 @@ addopts = """
     --cov-report=term-missing:skip-covered
 """
 
-[tool.setuptools]
-packages = [
-    "feedgenerator",
-    "feedgenerator.django",
-    "feedgenerator.django.utils",
-]
-
 [build-system]
-requires = ["setuptools>=64.0"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"