Remove duplicate column 'members_can_create_repositories' from github…

[cbruno10]

…_organization and github_my_organization tables fixes #35

Integration test logs

N/A

Example query results

Results

> select
  login as organization,
  jsonb_array_length(members) as num_members,
  members_allowed_repository_creation_type,
  members_can_create_internal_repos,
  members_can_create_pages,
  members_can_create_private_repos,
  members_can_create_public_repos,
  members_can_create_repos,
  default_repo_permission,
  two_factor_requirement_enabled
from
  github_my_organization;
+--------------+-------------+------------------------------------------+-----------------------------------+--------------------------+----------------------------------+---------------------------------+--------------------------+-------------------------+--------------
| organization | num_members | members_allowed_repository_creation_type | members_can_create_internal_repos | members_can_create_pages | members_can_create_private_repos | members_can_create_public_repos | members_can_create_repos | default_repo_permission | two_factor_requirement_enabled
+--------------+-------------+------------------------------------------+-----------------------------------+--------------------------+----------------------------------+---------------------------------+--------------------------+-------------------------+--------------
| turbot       | 5           | all                                      | false                             | <null>                   | true                             | true                            | true                     | none                    | false
+--------------+-------------+------------------------------------------+-----------------------------------+--------------------------+----------------------------------+---------------------------------+--------------------------+-------------------------+--------------