[libadwaita] (10 commits) ...demo: Stop bundling gtk and pango

[Alexander Mikhaylenko <alexm src gnome org>]

Summary of changes:

  45e1680... Revert "action-row: Allow suffixes to expand" (*)
  9fce1a9... action-row: Remove unnecessary haligns (*)
  3501f2a... preferences-group: Remove unnecessary haligns (*)
  e57395a... preferences-window: Remove unnecessary haligns (*)
  331d2ba... tab: Remove an unnecessary halign (*)
  74c1643... window-title: Remove unnecessary haligns (*)
  e94ddf8... combo-row: Remove an unnecessary halign (*)
  f38280a... demo: Remove unnecessary haligns (*)
  645e80f... demo: Fix a typo (*)
  088888e... demo: Stop bundling gtk and pango (*)

(*) This commit already existed in another branch; no separate mail sent