Revert "migration sql"

This reverts commit 0524944d2a.

migrations/versions/2020_051620_abd093c85e01_.py

@@ -1,29 +0,0 @@
-"""empty message
-
-Revision ID: abd093c85e01
-Revises: 5cad8fa84386
-Create Date: 2020-05-16 20:51:51.946998
-
-"""
-import sqlalchemy_utils
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = 'abd093c85e01'
-down_revision = '5cad8fa84386'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('alias', sa.Column('disable_pgp', sa.Boolean(), server_default='0', nullable=False))
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('alias', 'disable_pgp')
-    # ### end Alembic commands ###