Drop the redundant empty minimal extra in favor of PEP 771 [] syntax

Author: astrofrog

README.md

@@ -65,7 +65,7 @@ pip install --dry-run pep-771-demo-a[flask]
 pip install --dry-run pep-771-demo-a[fastapi]
 >>> Would install fastapi-X.Y.Z ... pep-771-demo-a-1.0.0
 
-# will install pep-771-demo-a AND the explicit `minimal` extra - no default "flask"
+# will install only pep-771-demo-a (PEP 771 `[]` opts out of default extras)
 pip install --dry-run pep-771-demo-a[]
 >>> Would install pep-771-demo-a-1.0.0
 
@@ -83,7 +83,7 @@ pip install --dry-run pep-771-demo-b[flask]
 pip install --dry-run pep-771-demo-b[fastapi]
 >>> Would install fastapi-X.Y.Z ... pep-771-demo-b-1.0.0
 
-# will install pep-771-demo-b AND the explicit `minimal` extra - no default "flask"
+# will install only pep-771-demo-b (PEP 771 `[]` opts out of default extras)
 pip install --dry-run pep-771-demo-b[]
 >>> Would install pep-771-demo-b-1.0.0
 ```

demoA/pyproject.toml

@@ -19,4 +19,3 @@ default-optional-dependencies = ["flask"]
 [project.optional-dependencies]
 fastapi = ["fastapi"]
 flask = ["flask"]
-minimal = []

demoB/setup.py

@@ -1,6 +1,6 @@
 import setuptools
 
 setuptools.setup(
-    extras_require={"fastapi": ["fastapi"], "flask": ["flask"], "minimal": []},
+    extras_require={"fastapi": ["fastapi"], "flask": ["flask"]},
     default_extras_require=["flask"],
 )

tox.ini

@@ -15,11 +15,11 @@ commands =
    demoa-noextra: python -m pip install "pep-771-demo-a @ file://{toxinidir}/demoA"
    demoa-explicit: python -m pip install "pep-771-demo-a[flask] @ file://{toxinidir}/demoA"
    demoa-extra: python -m pip install "pep-771-demo-a[fastapi] @ file://{toxinidir}/demoA"
-   demoa-minimal: python -m pip install "pep-771-demo-a[minimal] @ file://{toxinidir}/demoA"
+   demoa-minimal: python -m pip install "pep-771-demo-a[] @ file://{toxinidir}/demoA"
    demob-noextra: python -m pip install "pep-771-demo-b @ file://{toxinidir}/demoB"
    demob-explicit: python -m pip install "pep-771-demo-b[flask] @ file://{toxinidir}/demoB"
    demob-extra: python -m pip install "pep-771-demo-b[fastapi] @ file://{toxinidir}/demoB"
-   demob-minimal: python -m pip install "pep-771-demo-b[minimal] @ file://{toxinidir}/demoB"
+   demob-minimal: python -m pip install "pep-771-demo-b[] @ file://{toxinidir}/demoB"
 
     {list_dependencies_command}