There endpoint to check the token of an invitation for services and organisations have been merged.

This PR deletes the old endpoints.

app/organisation/accept_organisation_invite.py

@@ -1,30 +0,0 @@
-from flask import Blueprint, jsonify, current_app
-from itsdangerous import SignatureExpired
-from notifications_utils.url_safe_token import check_token
-
-from app.dao.organisation_dao import dao_get_invited_organisation_user
-from app.errors import register_errors, InvalidRequest
-
-accept_organisation_invite_blueprint = Blueprint(
-    'accept_organisation_invite', __name__,
-    url_prefix='/organisation-invitation')
-
-register_errors(accept_organisation_invite_blueprint)
-
-
-@accept_organisation_invite_blueprint.route("/<token>", methods=['GET'])
-def accept_organisation_invitation(token):
-    max_age_seconds = 60 * 60 * 24 * current_app.config['INVITATION_EXPIRATION_DAYS']
-
-    try:
-        invited_user_id = check_token(token,
-                                      current_app.config['SECRET_KEY'],
-                                      current_app.config['DANGEROUS_SALT'],
-                                      max_age_seconds)
-    except SignatureExpired:
-        errors = {'invitation': ['Your invitation to GOV.UK Notify has expired. '
-                                 'Please ask the person that invited you to send you another one']}
-        raise InvalidRequest(errors, status_code=400)
-    invited_user = dao_get_invited_organisation_user(invited_user_id)
-
-    return jsonify(data=invited_user.serialize()), 200