Remove redundant code

prefs.py

@@ -532,89 +532,3 @@ class PreferencesDialog(tk.Toplevel):
             except:
                 AXIsProcessTrustedWithOptions({kAXTrustedCheckOptionPrompt: True})
             self.parent.event_generate('<<Quit>>', when="tail")
-
-
-class AuthenticationDialog(tk.Toplevel):
-
-    def __init__(self, parent, callback):
-        tk.Toplevel.__init__(self, parent)
-
-        self.parent = parent
-        self.callback = callback
-        self.title('Authentication')
-
-        if parent.winfo_viewable():
-            self.transient(parent)
-
-        # position over parent
-        if platform!='darwin' or parent.winfo_rooty()>0:	# http://core.tcl.tk/tk/tktview/c84f660833546b1b84e7
-            self.geometry("+%d+%d" % (parent.winfo_rootx(), parent.winfo_rooty()))
-
-        # remove decoration
-        self.resizable(tk.FALSE, tk.FALSE)
-        if platform=='win32':
-            self.attributes('-toolwindow', tk.TRUE)
-        elif platform=='darwin':
-            # http://wiki.tcl.tk/13428
-            parent.call('tk::unsupported::MacWindowStyle', 'style', self, 'utility')
-
-        frame = ttk.Frame(self)
-        frame.grid(sticky=tk.NSEW)
-        frame.columnconfigure(0, weight=3)
-        frame.columnconfigure(2, weight=1)
-
-        ttk.Label(frame, text=_('A verification code has now been sent to the{CR}email address associated with your Elite account.') +	# Use same text as E:D Launcher's verification dialog
-
-                  '\n' +
-                  _('Please enter the code into the box below.'), anchor=tk.W, justify=tk.LEFT).grid(columnspan=4, sticky=tk.NSEW)	# Use same text as E:D Launcher's verification dialog
-        ttk.Label(frame).grid(row=1, column=0)	# spacer
-        self.code = ttk.Entry(frame, width=8, validate='key', validatecommand=(self.register(self.validatecode), '%P', '%d', '%i', '%S'))
-        self.code.grid(row=1, column=1)
-        self.code.focus_set()
-        ttk.Label(frame).grid(row=1, column=2)	# spacer
-        self.button = ttk.Button(frame, text=_('OK'), command=self.apply, state=tk.DISABLED)
-        self.button.bind("<Return>", lambda event:self.apply())
-        self.button.grid(row=1, column=3, sticky=tk.E)
-
-        for child in frame.winfo_children():
-            child.grid_configure(padx=5, pady=5)
-
-        self.protocol("WM_DELETE_WINDOW", self._destroy)
-
-        # wait for window to appear on screen before calling grab_set
-        self.parent.wm_attributes('-topmost', 0)	# needed for dialog to appear ontop of parent on OSX & Linux
-        self.wait_visibility()
-        self.grab_set()
-
-        # Ensure fully on-screen
-        if platform == 'win32':
-            position = RECT()
-            GetWindowRect(GetParent(self.winfo_id()), position)
-            if CalculatePopupWindowPosition(POINT(parent.winfo_rootx(), parent.winfo_rooty()),
-                                            SIZE(position.right - position.left, position.bottom - position.top),
-                                            0x10000, None, position):
-                self.geometry("+%d+%d" % (position.left, position.top))
-
-        self.bind('<Return>', self.apply)
-
-
-    def validatecode(self, newval, ins, idx, diff):
-        self.code.selection_clear()
-        self.code.delete(0, tk.END)
-        self.code.insert(0, newval.upper())
-        self.code.icursor(int(idx) + (int(ins)>0 and len(diff) or 0))
-        self.after_idle(lambda: self.code.config(validate='key'))	# http://tcl.tk/man/tcl8.5/TkCmd/entry.htm#M21
-        self.button['state'] = len(newval.strip())==5 and tk.NORMAL or tk.DISABLED
-        return True
-
-    def apply(self, event=None):
-        code = self.code.get().strip()
-        if len(code) == 5:
-            self.parent.wm_attributes('-topmost', config.getint('always_ontop') and 1 or 0)
-            self.destroy()
-            if self.callback: self.callback(code)
-
-    def _destroy(self):
-        self.parent.wm_attributes('-topmost', config.getint('always_ontop') and 1 or 0)
-        self.destroy()
-        if self.callback: self.callback(None)