Updated openstack/openstack
Project: openstack/ceilometer  feb0b6f18f75036f9a83e06f622837ee14a82dd5
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Remove start index 0 in range()

Remove the useless arg ("start index" = 0) in files, since its default
value is 0, to make code cleaner.

Change-Id: I7cc2127b35df47624f9b4d2045b506e7f56fb7a0