[LyX/master] Remove obsolete comment

[Jean-Marc Lasgouttes]

commit f7b0ecb64efe459244449c00fc5e05fd5bc9b7fa
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Fri Dec 20 14:14:32 2013 +0100

    Remove obsolete comment
    
    It is not possible to make editXY const because of checkInsetHit, 
getPitNearY and getPitandRowNearY that modify the TextMetrics object.

diff --git a/src/TextMetrics.cpp b/src/TextMetrics.cpp
index 4e70dc0..618c893 100644
--- a/src/TextMetrics.cpp
+++ b/src/TextMetrics.cpp
@@ -1512,10 +1512,6 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y,
        Inset * inset = checkInsetHit(x, yy);
        //lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << 
endl;
        if (!inset) {
-               // Either we deconst editXY or better we move current_font
-               // and real_current_font to Cursor
-               // FIXME: what is needed now that current_font and 
real_current_font
-               // are transferred?
                cur.setCurrentFont();
                return 0;
        }