Remove setup.py, use setuptools_scm config

Author: deadmanoz

pyproject.toml

@@ -59,5 +59,5 @@ include = ["warnet*", "test_framework*", "resources*"]
 
 [tool.setuptools_scm]
 write_to = "src/warnet/_version.py"
-# Note: Custom version scheme is handled in setup.py
-fallback_version = "0.0.0"
+version_scheme = "only-version"
+local_scheme = "no-local-version"