Move typing ignore config to where canmatrix is used.

This should have the advantage of affecting various type checkers, not
only mypy.  When the upstream canmatrix package does support type
hints (work is underway), this place is likely to get noticed and the
comment removed.

Author: acolomb

canopen/pdo/base.py

@@ -98,7 +98,7 @@ def export(self, filename):
         :rtype: canmatrix.canmatrix.CanMatrix
         """
         try:
-            from canmatrix import canmatrix
+            from canmatrix import canmatrix  # type:ignore # (typing still in progress)
             from canmatrix import formats
         except ImportError:
             raise NotImplementedError("This feature requires the 'canopen[db_export]' feature")

pyproject.toml

@@ -56,7 +56,3 @@ exclude = [
     "^test*",
     "^setup.py*",
 ]
-
-[[tool.mypy.overrides]]
-module = ["canmatrix.*"]
-ignore_missing_imports = true