Remove a duplicate piece of code 

This should have been removed as part of the previous commit.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4714 de43f980-851b-0410-b2f7-c40aca1f87e0
Avoid direct use of \protected before test for additional primitives

There is now no use of the e-TeX primitives before we test for \pdfstrcmp,
so an error is only given by expl3 and not by TeX if there is an issue.


git-svn-id: http://www.latex-project.org/svnroot/experimental/trunk@4715 de43f980-851b-0410-b2f7-c40aca1f87e0