[gnome-music/wip/mschraal/aboutdialog-missing: 6/6] README: Remove outdated info

[Jean Felder <jfelder src gnome org>]

commit c1d2e5ee5f2170d204ec8c84dff937079a2a7492
Author: Marinus Schraal <mschraal gnome org>
Date:   Tue Apr 26 11:03:18 2022 +0200

    README: Remove outdated info

 README.md | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)
---
diff --git a/README.md b/README.md
index d06c94009..6b72f6a21 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,8 @@
-Music is the new GNOME music playing application.
+Music is the GNOME music playing application.
 
 # Where can I find more?
 
-Music has a wiki page at
-https://wiki.gnome.org/Apps/Music.
+Music has a wiki page at https://wiki.gnome.org/Apps/Music.
 
 You can join the developers on IRC: [#gnome-music](irc://irc.gnome.org/gnome-music) on 
[GIMPNet](https://wiki.gnome.org/Community/GettingInTouch/IRC).
 
@@ -139,15 +138,6 @@ def selected(self, value: bool) -> None:
 
 ### PyGObject specifics
 
-#### Treemodel
-
-Use PyGObject shorthands for manipulating `GtkTreeModel` & `GtkListStore`:
-
-```python
-model[iter][0] = "artist"
-artist, title = model[iter][1, 4]
-```
-
 #### Properties
 
 Most objects in Music are derived from GObject and have properties. Use [PyGObject 
properties](https://pygobject.readthedocs.io/en/latest/guide/api/properties.html) through decorator usage if 
you add properties to your code.
@@ -184,9 +174,7 @@ Note that GObject multi-word properties are separated by `-` as in `'selection-m
 
 #### Templates
 
-Recent PyGObject (3.29.1 and up) allows template usage and Music is [starting to 
convert](https://gitlab.gnome.org/GNOME/gnome-music/issues/183) to using this to build the user interface. 
More information can be found in the PyGObject source and 
[examples](https://gitlab.gnome.org/GNOME/gnome-music/blob/master/gnomemusic/widgets/songwidget.py) in the 
Music code.
-
-The basic usage in Python is as follows, with the `widget.ui` file being a regular GTK template:
+Music uses ui templates extensively for building the user interface. The basic usage in Python is as 
follows, with the `widget.ui` file being a regular GTK template:
 
 ```python
 @Gtk.Template(resource_path="/org/gnome/Music/widget.ui")