Removed CF_HDROP from formats provided by Scintilla as it was returned as an empty item and this caused Mozilla to hang when receiving a drop.
Removed CF_HDROP from formats provided by Scintilla as it was returned as
an empty item and this caused Mozilla to hang when receiving a drop.

R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone