polrregr() no longer exists

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/regdevelop@34 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
no path in checks!

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/regdevelop@35 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
R CMD check: cut down to "1 WARNING + 2 (important) NOTEs"

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/regdevelop@36 edb9625f-4e0d-4859-8d74-9fd3b1da38cb