Remove the support for Unity's appindicator.

diff -Naur udiskie-1.7.7/completions/_udiskie udiskie-1.7.7a/completions/_udiskie
--- udiskie-1.7.7/completions/_udiskie	2019-02-17 18:28:58.000000000 +0100
+++ udiskie-1.7.7a/completions/_udiskie	2019-10-29 14:21:04.556193639 +0100
@@ -21,8 +21,6 @@
     '(-a)'{-A,--no-automount}"[disable automounting]"
     '(-N)'{-n,--notify}"[show popup notifications]"
     '(-n)'{-N,--no-notify}"[disable notifications]"
-    '(--no-appindicator)'--appindicator"[use appindicator for status icon]"
-    '(--appindicator)'--no-appindicator"[don't use appindicator]"
     '(-T -s)'{-t,--tray}"[show tray icon]"
     '(-T -t)'{-s,--smart-tray}"[auto hide tray icon]"
     '(-t -s)'{-T,--no-tray}"[disable tray icon]"
diff -Naur udiskie-1.7.7/doc/udiskie.8.txt udiskie-1.7.7a/doc/udiskie.8.txt
--- udiskie-1.7.7/doc/udiskie.8.txt	2019-02-17 18:28:58.000000000 +0100
+++ udiskie-1.7.7a/doc/udiskie.8.txt	2019-10-29 14:21:52.304570344 +0100
@@ -95,12 +95,6 @@
 *-F, \--no-file-manager*::
 	Disable browsing.
 
-*-appindicator*::
-	Use AppIndicator3 for the status icon. Use this on Ubuntu/Unity if no icon is shown.
-
-*--no-appindicator*::
-	Use Gtk.StatusIcon for the status icon (default).
-
 *--password-cache MINUTES*::
 	Cache passwords for LUKS partitions and set the timeout.
 
diff -Naur udiskie-1.7.7/udiskie/appindicator.py udiskie-1.7.7a/udiskie/appindicator.py
--- udiskie-1.7.7/udiskie/appindicator.py	2019-02-17 18:28:58.000000000 +0100
+++ udiskie-1.7.7a/udiskie/appindicator.py	1970-01-01 01:00:00.000000000 +0100
@@ -1,61 +0,0 @@
-"""
-Status icon using AppIndicator3.
-"""
-
-from gi.repository import Gtk
-from gi.repository import AppIndicator3
-
-from udiskie.async_ import Async
-
-
-class AppIndicatorIcon(object):
-
-    """
-    Show status icon using AppIndicator as backend. Replaces
-    `udiskie.tray.StatusIcon` on ubuntu/unity.
-    """
-
-    def __init__(self, menumaker, _icons):
-        self._maker = menumaker
-        self._menu = Gtk.Menu()
-        self._indicator = AppIndicator3.Indicator.new(
-            'udiskie',
-            _icons.get_icon_name('media'),
-            AppIndicator3.IndicatorCategory.HARDWARE)
-        self._indicator.set_status(AppIndicator3.IndicatorStatus.PASSIVE)
-        self._indicator.set_menu(self._menu)
-        # Get notified before menu is shown, see:
-        # https://bugs.launchpad.net/screenlets/+bug/522152/comments/15
-        dbusmenuserver = self._indicator.get_property('dbus-menu-server')
-        self._dbusmenuitem = dbusmenuserver.get_property('root-node')
-        self._conn = self._dbusmenuitem.connect('about-to-show', self._on_show)
-        self.task = Async()
-        menumaker._quit_action = self.destroy
-        # Populate menu initially, so libdbusmenu does not ignore the
-        # 'about-to-show':
-        self._maker(self._menu)
-
-    def destroy(self):
-        self.show(False)
-        self._dbusmenuitem.disconnect(self._conn)
-        self.task.callback()
-
-    @property
-    def visible(self):
-        status = self._indicator.get_status()
-        return status == AppIndicator3.IndicatorStatus.ACTIVE
-
-    def show(self, show=True):
-        if show == self.visible:
-            return
-        status = (AppIndicator3.IndicatorStatus.ACTIVE if show else
-                  AppIndicator3.IndicatorStatus.PASSIVE)
-        self._indicator.set_status(status)
-
-    def _on_show(self, menu):
-        # clear menu:
-        for item in self._menu.get_children():
-            self._menu.remove(item)
-        # repopulate:
-        self._maker(self._menu)
-        self._menu.show_all()
diff -Naur udiskie-1.7.7/udiskie/cli.py udiskie-1.7.7a/udiskie/cli.py
--- udiskie-1.7.7/udiskie/cli.py	2019-02-17 18:28:58.000000000 +0100
+++ udiskie-1.7.7a/udiskie/cli.py	2019-10-29 14:18:22.678919186 +0100
@@ -376,9 +376,6 @@
         -T, --no-tray                           Disable tray icon
         -m MENU, --menu MENU                    Tray menu [flat/nested]
 
-        --appindicator                          Use appindicator for status icon
-        --no-appindicator                       Don't use appindicator
-
         --password-cache MINUTES                Set password cache timeout
         --no-password-cache                     Disable password cache
 
@@ -400,7 +397,6 @@
         'notify': True,
         'tray': False,
         'menu': 'flat',
-        'appindicator': False,
         'file_manager': 'xdg-open',
         'password_prompt': 'builtin:gui',
         'password_cache': False,
@@ -415,7 +411,6 @@
             '--no-tray': False,
             '--smart-tray': 'auto'}),
         'menu': Value('--menu'),
-        'appindicator': Switch('appindicator'),
         'file_manager': OptionalValue('--file-manager'),
         'password_prompt': OptionalValue('--password-prompt'),
         'password_cache': OptionalValue('--password-cache'),
@@ -541,11 +536,7 @@
             raise ValueError("Invalid menu: %s" % (options['menu'],))
 
         menu_maker = udiskie.tray.UdiskieMenu(self, icons, actions, flat)
-        if options['appindicator']:
-            import udiskie.appindicator
-            TrayIcon = udiskie.appindicator.AppIndicatorIcon
-        else:
-            TrayIcon = udiskie.tray.TrayIcon
+        TrayIcon = udiskie.tray.TrayIcon
         trayicon = TrayIcon(menu_maker, icons)
         return udiskie.tray.UdiskieStatusIcon(trayicon, menu_maker, smart)
 
diff -Naur udiskie-1.7.7/udiskie.egg-info/SOURCES.txt udiskie-1.7.7a/udiskie.egg-info/SOURCES.txt
--- udiskie-1.7.7/udiskie.egg-info/SOURCES.txt	2019-02-17 19:42:25.000000000 +0100
+++ udiskie-1.7.7a/udiskie.egg-info/SOURCES.txt	2019-10-29 14:40:09.333315287 +0100
@@ -24,7 +24,6 @@
 test/test_cache.py
 test/test_match.py
 udiskie/__init__.py
-udiskie/appindicator.py
 udiskie/async_.py
 udiskie/automount.py
 udiskie/cache.py
@@ -46,4 +45,4 @@
 udiskie.egg-info/dependency_links.txt
 udiskie.egg-info/entry_points.txt
 udiskie.egg-info/requires.txt
-udiskie.egg-info/top_level.txt
\ Pas de fin de ligne à la fin du fichier
+udiskie.egg-info/top_level.txt