[yocto] duplicate reference to Build Appliance on projects page

[Robert P. J. Day]

  here:  https://www.yoctoproject.org/tools-resources/projects, the
para on the Build Appliance is mentioned twice.

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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