Use covdefaults to handle coveragerc

[covdefaults](https://github.com/asottile/covdefaults)

Committed via https://github.com/asottile/all-repos

.coveragerc

@@ -1,37 +0,0 @@
-[run]
-branch = True
-parallel = True
-source = .
-omit =
-    .tox/*
-    /usr/*
-    setup.py
-    # Don't complain if non-runnable code isn't run
-    */__main__.py
-
-[report]
-show_missing = True
-skip_covered = True
-exclude_lines =
-    # Have to re-enable the standard pragma
-    \#\s*pragma: no cover
-    # We optionally substitute this
-    ${COVERAGE_IGNORE_WINDOWS}
-
-    # Don't complain if tests don't hit defensive assertion code:
-    ^\s*raise AssertionError\b
-    ^\s*raise NotImplementedError\b
-    ^\s*return NotImplemented\b
-    ^\s*raise$
-
-    # Ignore typing-related things
-    ^if (False|TYPE_CHECKING):
-    : \.\.\.$
-
-    # Don't complain if non-runnable code isn't run:
-    ^if __name__ == ['"]__main__['"]:$
-
-[html]
-directory = coverage-html
-
-# vim:ft=dosini

requirements-dev.txt

@@ -1,3 +1,4 @@
+covdefaults
 coverage
 git+https://github.com/asottile/hecate@ebe6dfb
 pytest

setup.cfg

@@ -35,6 +35,10 @@ exclude =
 [bdist_wheel]
 universal = True
 
+[coverage:run]
+plugins = covdefaults
+parallel = true
+
 [mypy]
 check_untyped_defs = true
 disallow_any_generics = true