remove some more unused ignores

fastapi/_compat/main.py

@@ -238,7 +238,9 @@ def get_compat_model_name_map(fields: List[ModelField]) -> ModelNameMap:
     if len(v1_model_fields) > 0:
         from fastapi._compat import v1
 
-        v1_flat_models = v1.get_flat_models_from_fields(v1_model_fields, known_models=set())
+        v1_flat_models = v1.get_flat_models_from_fields(
+            v1_model_fields, known_models=set()
+        )
         all_flat_models = v1_flat_models
     else:
         all_flat_models = set()

fastapi/_compat/may_v1.py

@@ -86,13 +86,13 @@ else:
     from .v1 import CoreSchema as CoreSchema
     from .v1 import ErrorWrapper as ErrorWrapper
     from .v1 import FieldInfo as FieldInfo
-    from .v1 import GetJsonSchemaHandler as GetJsonSchemaHandler  # type: ignore[assignment]
+    from .v1 import GetJsonSchemaHandler as GetJsonSchemaHandler
     from .v1 import JsonSchemaValue as JsonSchemaValue
     from .v1 import ModelField  # type: ignore[assignment]
     from .v1 import NameEmail as NameEmail
-    from .v1 import RequiredParam as RequiredParam  # type: ignore[assignment]
+    from .v1 import RequiredParam as RequiredParam
     from .v1 import SecretBytes as SecretBytes
-    from .v1 import SecretStr as SecretStr  # type: ignore[assignment]
+    from .v1 import SecretStr as SecretStr
     from .v1 import Undefined as Undefined
     from .v1 import UndefinedType as UndefinedType
     from .v1 import Url as Url