Removed unnecessary migrations

migrations/versions/949bc914e571_.py

-"""empty message
-
-Revision ID: 949bc914e571
-Revises: 6347503cdaef
-Create Date: 2019-03-31 17:50:21.196715
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = '949bc914e571'
-down_revision = 'f21d6efeef88'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('reviewItem', sa.Column('version_id', sa.Integer(), nullable=False))
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('reviewItem', 'version_id')
-    # ### end Alembic commands ###

migrations/versions/b7f7f426d205_.py

@@ -11,7 +11,7 @@ import sqlalchemy as sa
 
 # revision identifiers, used by Alembic.
 revision = 'b7f7f426d205'
-down_revision = 'ced9d1234d00'
+down_revision = 'f21d6efeef88'
 branch_labels = None
 depends_on = None
 

migrations/versions/ced9d1234d00_.py

-"""empty message
-
-Revision ID: ced9d1234d00
-Revises: 949bc914e571
-Create Date: 2019-03-31 20:21:59.038371
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = 'ced9d1234d00'
-down_revision = '949bc914e571'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column('reviewItem', 'version_id')
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('reviewItem', sa.Column('version_id', sa.INTEGER(), autoincrement=False, nullable=False))
-    # ### end Alembic commands ###