AccountActivity: remove "Select collections to synchronize"

        val cardDavServiceId = MutableLiveData<Long>()

        val cardDavRefreshing = MutableLiveData<Boolean>()

        val addressBooks = MutableLiveData<List<CollectionInfo>>()

        val addressBooksSelected = MutableLiveData<Boolean>()

        val hasAddressBookHomeSets = MutableLiveData<Boolean>()

        val calDavServiceId = MutableLiveData<Long>()

        val calDavRefreshing = MutableLiveData<Boolean>()

        val calendars = MutableLiveData<List<CollectionInfo>>()

        val calendarsSelected = MutableLiveData<Boolean>()

        val hasCalendarHomeSets = MutableLiveData<Boolean>()

        val webcals = MutableLiveData<List<CollectionInfo>>()

                      android:padding="@dimen/activity_margin"

                      android:animateLayoutChanges="true">

            <TextView

                android:id="@+id/select_collections_hint"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:layout_marginBottom="8dp"

                android:drawableLeft="@drawable/ic_touch_app_dark_compat"

                android:drawableStart="@drawable/ic_touch_app_dark_compat"

                android:drawablePadding="8dp"

                android:gravity="center_vertical"

                android:visibility="@{safeUnbox(model.addressBooksSelected) || safeUnbox(model.calendarsSelected) ? View.GONE : View.VISIBLE}"

                tools:visibility="visible"

                android:text="@string/account_select_collections_hint"/>

            <androidx.cardview.widget.CardView

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

    <string name="account_delete">Delete account</string>

    <string name="account_delete_confirmation_title">Really delete account?</string>

    <string name="account_delete_confirmation_text">All local copies of address books, calendars and task lists will be deleted.</string>

    <string name="account_select_collections_hint">Select collections to synchronize</string>

    <string name="account_carddav">CardDAV</string>

    <string name="account_caldav">CalDAV</string>

    <string name="account_webcal">Webcal</string>