Use declarative type registration for remaining types

src/settings/About.qml

@@ -2,12 +2,8 @@
 // SPDX-FileCopyrightText: 2021 Carl Schwan <carl@carlschwan.eu>
 // SPDX-License-Identifier: LGPL-2.0-or-later
 
-import QtQuick.Layouts
 import org.kde.kirigamiaddons.formcard as FormCard
-import org.kde.neochat
-import org.kde.coreaddons
 
 FormCard.AboutPage {
     title: i18nc("@title:window", "About NeoChat")
-    aboutData: AboutData
 }

src/settings/AccountsPage.qml

@@ -12,7 +12,6 @@ import org.kde.kirigamiaddons.formcard as FormCard
 import org.kde.kirigamiaddons.labs.components as KirigamiComponents
 
 import org.kde.neochat
-import org.kde.neochat.accounts
 
 FormCard.FormCardPage {
     id: root

src/settings/AppearanceSettingsPage.qml

@@ -11,7 +11,6 @@ import org.kde.kirigamiaddons.formcard as FormCard
 import org.kde.kirigamiaddons.labs.components as KirigamiComponents
 
 import org.kde.neochat
-import org.kde.neochat.config
 
 FormCard.FormCardPage {
     id: root

src/settings/ColorScheme.qml

@@ -7,7 +7,6 @@ import QtQuick.Layouts
 import org.kde.kirigamiaddons.formcard as FormCard
 
 import org.kde.neochat
-import org.kde.neochat.config
 
 FormCard.FormComboBoxDelegate {
     id: root

src/settings/NeoChatGeneralPage.qml

@@ -10,7 +10,6 @@ import org.kde.kirigamiaddons.formcard as FormCard
 
 import org.kde.neochat
 import org.kde.neochat.devtools
-import org.kde.neochat.config
 
 FormCard.FormCardPage {
     title: i18nc("@title:window", "General")

src/settings/NetworkProxyPage.qml

@@ -7,8 +7,6 @@ import QtQuick.Layouts
 
 import org.kde.kirigamiaddons.formcard as FormCard
 
-import org.kde.neochat.config
-
 FormCard.FormCardPage {
     id: root
 

src/settings/Permissions.qml

@@ -9,7 +9,6 @@ import org.kde.kirigami as Kirigami
 import org.kde.kirigamiaddons.formcard as FormCard
 import org.kde.kirigamiaddons.delegates as Delegates
 import org.kde.kirigamiaddons.labs.components as KirigamiComponents
-import org.kde.kitemmodels
 
 import org.kde.neochat