Update build targets for 1.7.x

Remove raring, sid, unstable, fedora 18

Signed-off-by: Moses Mendoza <[email protected]>

ext/build_defaults.yaml

@@ -2,14 +2,14 @@
 packaging_url: 'git://github.com/puppetlabs/packaging.git --branch=master'
 packaging_repo: 'packaging'
 default_cow: 'base-squeeze-i386.cow'
-cows: 'base-lucid-i386.cow base-lucid-amd64.cow base-precise-i386.cow base-precise-amd64.cow base-quantal-i386.cow base-quantal-amd64.cow base-raring-i386.cow base-raring-amd64.cow base-saucy-i386.cow base-saucy-amd64.cow base-sid-i386.cow base-sid-amd64.cow base-squeeze-i386.cow base-squeeze-amd64.cow base-stable-i386.cow base-stable-amd64.cow base-testing-i386.cow base-testing-amd64.cow base-unstable-i386.cow base-unstable-amd64.cow base-wheezy-i386.cow base-wheezy-amd64.cow'
+cows: 'base-lucid-i386.cow base-lucid-amd64.cow base-precise-i386.cow base-precise-amd64.cow base-quantal-i386.cow base-quantal-amd64.cow base-saucy-i386.cow base-saucy-amd64.cow base-squeeze-i386.cow base-squeeze-amd64.cow base-stable-i386.cow base-stable-amd64.cow base-testing-i386.cow base-testing-amd64.cow base-wheezy-i386.cow base-wheezy-amd64.cow'
 pbuild_conf: '/etc/pbuilderrc'
 packager: 'puppetlabs'
 gpg_name: '[email protected]'
 gpg_key: '4BD6EC30'
 sign_tar: FALSE
 # a space separated list of mock configs
-final_mocks: 'pl-el-5-i386 pl-el-5-x86_64 pl-el-6-i386 pl-el-6-x86_64 pl-el-7-x86_64 pl-fedora-18-i386 pl-fedora-18-x86_64 pl-fedora-19-i386 pl-fedora-19-x86_64 pl-fedora-20-i386 pl-fedora-20-x86_64'
+final_mocks: 'pl-el-5-i386 pl-el-5-x86_64 pl-el-6-i386 pl-el-6-x86_64 pl-el-7-x86_64 pl-fedora-19-i386 pl-fedora-19-x86_64 pl-fedora-20-i386 pl-fedora-20-x86_64'
 yum_host: 'yum.puppetlabs.com'
 yum_repo_path: '/opt/repository/yum/'
 build_gem: TRUE