Remove obsolete workaround

This reverts commit 8811f92aea.

app/build.gradle.kts

@@ -315,11 +315,3 @@ spotless {
         ktlint(ktlintVersion)
     }
 }
-
-// https://github.com/pdvrieze/xmlutil/issues/261
-configurations.all {
-    resolutionStrategy.dependencySubstitution {
-        substitute(module("io.github.pdvrieze.xmlutil:serialization"))
-            .using(module("io.github.pdvrieze.xmlutil:serialization-android:0.90.4-20241203.194031-11"))
-    }
-}