Remove auto_save.config setting

This is not needed anymore now that we have config.load_autoconfig=False and
wasn't even read anywhere.

doc/help/settings.asciidoc

@@ -10,7 +10,6 @@
 |==============
 |Setting|Description
 |<<aliases,aliases>>|Aliases for commands.
-|<<auto_save.config,auto_save.config>>|Save the config automatically on quit.
 |<<auto_save.interval,auto_save.interval>>|How often (in milliseconds) to auto-save config/cookies/etc.
 |<<auto_save.session,auto_save.session>>|Always restore open sites when qutebrowser is reopened.
 |<<bindings.commands,bindings.commands>>|Keybindings mapping keys to commands in different modes.
@@ -263,19 +262,6 @@ Default:
 - +pass:[w]+: +pass:[session-save]+
 - +pass:[wq]+: +pass:[quit --save]+
 
-[[auto_save.config]]
-=== auto_save.config
-Save the config automatically on quit.
-
-Type: <<types,Bool>>
-
-Valid values:
-
- * +true+
- * +false+
-
-Default: +pass:[true]+
-
 [[auto_save.interval]]
 === auto_save.interval
 How often (in milliseconds) to auto-save config/cookies/etc.

qutebrowser/config/configdata.yml

@@ -87,11 +87,6 @@ session_default_name:
 
 ## auto_save
 
-auto_save.config:
-  type: Bool
-  default: true
-  desc: Save the config automatically on quit.
-
 auto_save.interval:
   type:
     name: Int

tests/unit/config/test_config.py

@@ -347,14 +347,14 @@ class TestSetConfigCommand:
         assert msg.text == 'url.auto_search = dns'
 
     def test_set_toggle(self, commands, config_stub):
-        """Run ':set auto_save.config!'.
+        """Run ':set auto_save.session!'.
 
         Should toggle the value.
         """
-        assert config_stub.val.auto_save.config
+        assert not config_stub.val.auto_save.session
-        commands.set(0, 'auto_save.config!')
+        commands.set(0, 'auto_save.session!')
-        assert not config_stub.val.auto_save.config
+        assert config_stub.val.auto_save.session
-        assert not config_stub._yaml.values['auto_save.config']
+        assert config_stub._yaml.values['auto_save.session']
 
     def test_set_toggle_nonbool(self, commands, config_stub):
         """Run ':set url.auto_search!'.
@@ -368,13 +368,13 @@ class TestSetConfigCommand:
         assert config_stub.val.url.auto_search == 'naive'
 
     def test_set_toggle_print(self, commands, config_stub, message_mock):
-        """Run ':set -p auto_save.config!'.
+        """Run ':set -p auto_save.session!'.
 
         Should toggle the value and show the new value.
         """
-        commands.set(0, 'auto_save.config!', print_=True)
+        commands.set(0, 'auto_save.session!', print_=True)
         msg = message_mock.getmsg(usertypes.MessageLevel.info)
-        assert msg.text == 'auto_save.config = false'
+        assert msg.text == 'auto_save.session = true'
 
     def test_set_invalid_option(self, commands):
         """Run ':set foo bar'.
@@ -385,14 +385,14 @@ class TestSetConfigCommand:
             commands.set(0, 'foo', 'bar')
 
     def test_set_invalid_value(self, commands):
-        """Run ':set auto_save.config blah'.
+        """Run ':set auto_save.session blah'.
 
         Should show an error.
         """
         with pytest.raises(cmdexc.CommandError,
                            match="set: Invalid value 'blah' - must be a "
                            "boolean!"):
-            commands.set(0, 'auto_save.config', 'blah')
+            commands.set(0, 'auto_save.session', 'blah')
 
     def test_set_wrong_backend(self, commands, monkeypatch):
         monkeypatch.setattr(objects, 'backend', usertypes.Backend.QtWebEngine)