Aperture: Drop android.nonTransitiveRClass

Now true by default

Change-Id: I75428b6d0e1f00dfc47eeb85149ac139fa833c69
diff --git a/gradle.properties b/gradle.properties
index 8c38e4e..a9ea089 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,7 +20,3 @@
 android.useAndroidX=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
-# Enables namespacing of each library's R class so that its R class includes only the
-# resources declared in the library itself and none from the library's dependencies,
-# thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true