Adjust setup.cfg for correct packaging behaviour.

setup.cfg

 [metadata]
 name = example-package-plotid-test
-version = 0.0.3
+version = 0.0.5
 author = Example Author
 author_email = author@example.com
 description = A small example package
@@ -15,9 +15,7 @@ classifiers =
     Operating System :: OS Independent
 
 [options]
-package_dir =
-    = plotid
-packages = find:
+packages = plotid
 python_requires = >=3.10
 install_requires =
     matplotlib
@@ -27,5 +25,4 @@ install_requires =
 test =
     coverage
 
-[options.packages.find]
-where = plotid 
+