ref(db): Drop `project_id` from Environment (model state) (#45207)

migrations_lockfile.txt

@@ -6,5 +6,5 @@ To resolve this, rebase against latest master and regenerate your migration. Thi
 will then be regenerated, and you should be able to merge without conflicts.
 
 nodestore: 0002_nodestore_no_dictfield
-sentry: 0363_debug_id_artifact_bundle
+sentry: 0364_remove_project_id_from_environment
 social_auth: 0001_initial

src/sentry/migrations/0364_remove_project_id_from_environment.py

@@ -0,0 +1,35 @@
+# Generated by Django 2.2.28 on 2023-02-24 20:34
+
+from django.db import migrations
+
+from sentry.new_migrations.migrations import CheckedMigration
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production. For
+    # the most part, this should only be used for operations where it's safe to run the migration
+    # after your code has deployed. So this should not be used for most operations that alter the
+    # schema of a table.
+    # Here are some things that make sense to mark as dangerous:
+    # - Large data migrations. Typically we want these to be run manually by ops so that they can
+    #   be monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   have ops run this and not block the deploy. Note that while adding an index is a schema
+    #   change, it's completely safe to run the operation after the code has deployed.
+    is_dangerous = False
+
+    dependencies = [
+        ("sentry", "0363_debug_id_artifact_bundle"),
+    ]
+
+    operations = [
+        migrations.SeparateDatabaseAndState(
+            database_operations=[],
+            state_operations=[
+                migrations.RemoveField(
+                    model_name="environment",
+                    name="project_id",
+                ),
+            ],
+        ),
+    ]

src/sentry/models/environment.py

@@ -38,8 +38,6 @@ class Environment(Model):
 
     organization_id = BoundedBigIntegerField()
     projects = models.ManyToManyField("sentry.Project", through=EnvironmentProject)
-    # DEPRECATED, use projects
-    project_id = BoundedBigIntegerField(null=True)
     name = models.CharField(max_length=64)
     date_added = models.DateTimeField(default=timezone.now)