Remove unused code.

The only case in which we can call toggle_state from outside of the
class it's declared in is in DisplayTemplateRecordView.  However, we no
longer try to toggle the first cell, which is the only one that can
contain a non-checkbox.  Remove this code since it is never used.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>

lib/newfol/main.py

@@ -177,12 +177,6 @@ class RecordEditBox(urwid.Edit, Tabbable):
     def get_state(self):
         return bool(self.get_edit_text())
 
-    def toggle_state(self):
-        if self.get_state():
-            self.set_edit_text("")
-        else:
-            self.set_edit_text("choisi")
-
     def keypress(self, size, key):
         try:
             if len(key) > 1 and key != "enter":