Remove styling idle in destructor to avoid crashing when idle called after ScintillaGTK instance destroyed.
Remove styling idle in destructor to avoid crashing when idle called
after ScintillaGTK instance destroyed.

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