Refs #27236 -- Reverted "Refs #27236 -- Added generic mechanism to handle the deprecation of migration operations."

This reverts commit 41019e48bbf082c985e6ba3bad34d118b903bff1.

5 files changed, 1 insertions, 24 deletions

diff --git a/django/core/checks/__init__.py b/django/core/checks/__init__.py
index deea0d471a..998ab9dee2 100644
--- a/django/core/checks/__init__.py
+++ b/django/core/checks/__init__.py
@@ -19,7 +19,6 @@ import django.core.checks.caches  # NOQA isort:skip
 import django.core.checks.compatibility.django_4_0  # NOQA isort:skip
 import django.core.checks.database  # NOQA isort:skip
 import django.core.checks.files  # NOQA isort:skip
-import django.core.checks.migrations  # NOQA isort:skip
 import django.core.checks.model_checks  # NOQA isort:skip
 import django.core.checks.security.base  # NOQA isort:skip
 import django.core.checks.security.csrf  # NOQA isort:skip
diff --git a/django/core/checks/migrations.py b/django/core/checks/migrations.py
deleted file mode 100644
index 92649a59a9..0000000000
--- a/django/core/checks/migrations.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from django.core.checks import Tags, register
-
-
-@register(Tags.migrations)
-def check_migration_operations(**kwargs):
-    from django.db.migrations.loader import MigrationLoader
-
-    errors = []
-    loader = MigrationLoader(None, ignore_no_migrations=True)
-    for migration in loader.disk_migrations.values():
-        errors.extend(migration.check())
-    return errors
diff --git a/django/core/checks/registry.py b/django/core/checks/registry.py
index 328209130a..f4bdea8691 100644
--- a/django/core/checks/registry.py
+++ b/django/core/checks/registry.py
@@ -15,7 +15,6 @@ class Tags:
     compatibility = "compatibility"
     database = "database"
     files = "files"
-    migrations = "migrations"
     models = "models"
     security = "security"
     signals = "signals"
diff --git a/django/db/migrations/migration.py b/django/db/migrations/migration.py
index 7cc3e22361..ea9d02a94a 100644
--- a/django/db/migrations/migration.py
+++ b/django/db/migrations/migration.py
@@ -219,12 +219,6 @@ class Migration:
             name = new_name
         return name
 
-    def check(self):
-        errors = []
-        for operation in self.operations:
-            errors.extend(operation.check_deprecation_details())
-        return errors
-
 
 class SwappableTuple(tuple):
     """
diff --git a/django/db/migrations/operations/base.py b/django/db/migrations/operations/base.py
index 40128174c7..7d4dff2597 100644
--- a/django/db/migrations/operations/base.py
+++ b/django/db/migrations/operations/base.py
@@ -1,8 +1,7 @@
 from django.db import router
-from django.utils.deprecation import DeprecationForHistoricalMigrationMixin
 
 
-class Operation(DeprecationForHistoricalMigrationMixin):
+class Operation:
     """
     Base class for migration operations.
 
@@ -34,8 +33,6 @@ class Operation(DeprecationForHistoricalMigrationMixin):
 
     serialization_expand_args = []
 
-    check_type = "migrations"
-
     def __new__(cls, *args, **kwargs):
         # We capture the arguments to make returning them trivial
         self = object.__new__(cls)