Removed python26 from StoryBoard build.
Removed python26 from StoryBoard build.

In an effort to move away from outdated and poorly ported
technologies, we are removing support for python 2.6.

Change-Id: Ifae93d3bd771a2ddd528329a59b30c370d1739f6

Tesora/tesora-project-config,citrix-openstack/project-config,osrg/project-config,coolsvap/project-config,dongwenjuan/project-config,anbangr/osci-project-config,noorul/os-project-config,openstack-infra/project-config,coolsvap/project-config,dongwenjuan/project-config,citrix-openstack/project-config,openstack-infra/project-config,Tesora/tesora-project-config,open-switch/infra_project-config,anbangr/osci-project-config,open-switch/infra_project-config,osrg/project-config,noorul/os-project-config