Remove super old unnecessary TODO from API start() method
Remove super old unnecessary TODO from API start() method

The ec2 API is not in tree nor does the start instance flow
deal with injected files or availability zones so remove the
really old TODO from when the API method was added in 2011.

Change-Id: I2df5010f50c032ae57adb2d128824a05a9189f9d

openstack/nova,klmitch/nova,rahulunair/nova,klmitch/nova,openstack/nova,openstack/nova,rahulunair/nova,rahulunair/nova,mahak/nova,mahak/nova,mahak/nova,klmitch/nova,klmitch/nova