remove duplicate check/typo

Author: Joshua Hoblitt

spec/classes/config_ldap_spec.rb

@@ -199,7 +199,6 @@
         .with_content(/^LDAPForceDefaultGID False/) \
         .with_content(/^LDAPUseTLS          False/) \
         .with_content(/^LDAPAuthMethod      PASSWORD/) \
-        .with_content(/^LDAPAuthMethod      PASSWORD/)
     end
   end
 end