fix migration

migrations/versions/2020_032009_f4b8232fa17e_.py

@@ -31,22 +31,11 @@ def upgrade():
     op.create_foreign_key(
         None, "file", "users", ["user_id"], ["id"], ondelete="cascade"
     )
-    op.drop_column("users", "can_use_pgp")
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column(
-        "users",
-        sa.Column(
-            "can_use_pgp",
-            sa.BOOLEAN(),
-            server_default=sa.text("false"),
-            autoincrement=False,
-            nullable=False,
-        ),
-    )
     op.drop_constraint(None, "file", type_="foreignkey")
     op.drop_column("file", "user_id")
     op.drop_constraint(None, "email_log", type_="foreignkey")