debian: removed some patch files.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2348 ba6dc0ae-232f-0410-883f-9ebac64fc565
Rename dmtcpplugin.h -> dmtcp.h

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2349 ba6dc0ae-232f-0410-883f-9ebac64fc565