drop old EL7 test specialcases

Author: evgeni

spec/defines/foreman_plugin_spec.rb

@@ -14,7 +14,7 @@
       context 'no parameters' do
         package_name = case facts[:osfamily]
                        when 'RedHat'
-                         facts[:os]['release']['major'] == '7' ? 'tfm-rubygem-foreman_myplugin' : 'rubygem-foreman_myplugin'
+                         'rubygem-foreman_myplugin'
                        when 'Debian'
                          'ruby-foreman-myplugin'
                        end

spec/support/acceptance/purge.rb

@@ -1,7 +1,7 @@
 def purge_foreman
   case fact('osfamily')
   when 'RedHat'
-    on default, 'yum -y remove foreman* tfm-*'
+    on default, 'yum -y remove foreman*'
   when 'Debian'
     on default, 'apt-get purge -y foreman*', { :acceptable_exit_codes => [0, 100] }
     on default, 'apt-get purge -y ruby-hammer-cli-*', { :acceptable_exit_codes => [0, 100] }