Set mypy warn_unused_ignores to False (#5956)

Fixes #5954.

### Description

### Types of changes
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).

Signed-off-by: Felix Schnabel <f.schnabel@tum.de>

Author: f-schnabel

setup.cfg

@@ -185,8 +185,8 @@ ignore_missing_imports = True
 no_implicit_optional = True
 # Warns about casting an expression to its inferred type.
 warn_redundant_casts = True
-# Warns about unneeded # type: ignore comments.
-warn_unused_ignores = True
+# No error on unneeded # type: ignore comments.
+warn_unused_ignores = False
 # Shows a warning when returning a value with type Any from a function declared with a non-Any return type.
 warn_return_any = True
 # Prohibit equality checks, identity checks, and container checks between non-overlapping types.