fix!: remove deprecated modules

Author: lepture

pyproject.toml

@@ -85,9 +85,6 @@ filterwarnings = [
 [tool.coverage.run]
 branch = true
 source = ["joserfc"]
-omit = [
-  "src/joserfc/rfc*/*",
-]
 
 [tool.coverage.paths]
 source = ["src"]