Update androidx.activity [1.7.2 -> 1.8.2]

Drop unused activity-ktx dependency.

gradle/libs.versions.toml

@@ -11,8 +11,8 @@ retrofit2 = "2.9.0" # https://github.com/square/retrofit/blob/master/CHANGELOG.m
 amazon-appstore-sdk = "com.amazon.device:amazon-appstore-sdk:3.0.4" # https://developer.amazon.com/docs/in-app-purchasing/iap-whats-new.html
 androidutils = "com.uwetrottmann.androidutils:androidutils:4.0.0" # https://github.com/UweTrottmann/AndroidUtils/releases
 # https://developer.android.com/jetpack/androidx/releases/activity
-androidx-activity = "androidx.activity:activity:1.7.2"
-androidx-activity-ktx = "androidx.activity:activity-ktx:1.7.2"
+androidx-activity = "androidx.activity:activity:1.8.2"
+# https://developer.android.com/jetpack/androidx/releases/annotation
 androidx-annotation = "androidx.annotation:annotation:1.6.0"
 # https://developer.android.com/jetpack/androidx/releases/appcompat
 androidx-appcompat = "androidx.appcompat:appcompat:1.6.1"