removed unused include from runtime.cxx and step0.cxx
changed DirEntry::GetAccessDelimiter() to SAL_PATHDELIMITER in methods1.cxx
removed unused DirEntry declaration from methods1.cxx

Change-Id: I0d8c64b6498cf5b16757edaf13e1108f279934dd
Reviewed-on: https://gerrit.libreoffice.org/2848Reviewed-by: Andras Timar <atimar@suse.com>
Tested-by: Andras Timar <atimar@suse.com>