[libadwaita] docs: Remove @self argument from signals

[Alexander Mikhaylenko <alexm src gnome org>]

commit 203a54d5fc2f2f94ede453c3078a7271050fd252
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Thu Dec 30 12:45:24 2021 +0100

    docs: Remove @self argument from signals
    
    It is not used by gir.

 src/adw-action-row.c    | 1 -
 src/adw-swipe-tracker.c | 1 -
 2 files changed, 2 deletions(-)
---
diff --git a/src/adw-action-row.c b/src/adw-action-row.c
index 2f9ade75..54d0ad86 100644
--- a/src/adw-action-row.c
+++ b/src/adw-action-row.c
@@ -315,7 +315,6 @@ adw_action_row_class_init (AdwActionRowClass *klass)
 
   /**
    * AdwActionRow::activated:
-   * @self: an action row
    *
    * This signal is emitted after the row has been activated.
    *
diff --git a/src/adw-swipe-tracker.c b/src/adw-swipe-tracker.c
index 2f90a000..261bc8d4 100644
--- a/src/adw-swipe-tracker.c
+++ b/src/adw-swipe-tracker.c
@@ -1109,7 +1109,6 @@ adw_swipe_tracker_class_init (AdwSwipeTrackerClass *klass)
 
   /**
    * AdwSwipeTracker::begin-swipe:
-   * @self: a swipe tracker
    *
    * This signal is emitted right before a swipe will be started, after the
    * drag threshold has been passed.