[LyX/master] Remove unused mathod (CursorSlice::at_cell_end is the same)

[Jean-Marc Lasgouttes]

commit f97c11f4e9b0f99f49a16e367c6a0eb692fdcdc3
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Fri Jan 4 13:54:42 2019 +0100

    Remove unused mathod (CursorSlice::at_cell_end is the same)
---
 src/DocIterator.h |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/src/DocIterator.h b/src/DocIterator.h
index 0653de8..8ee4d4e 100644
--- a/src/DocIterator.h
+++ b/src/DocIterator.h
@@ -71,8 +71,6 @@ public:
        bool empty() const { return slices_.empty(); }
        /// is this the end position?
        bool atEnd() const { return slices_.empty(); }
-       /// is this the last possible position?
-       bool atLastPos() const { return pit() == lastpit() && pos() == 
lastpos(); }
 
        /// checks the cursor slices for disabled spell checker insets
        bool allowSpellCheck() const;