Remove v8

mobile/android/build.gradle

@@ -20,6 +20,14 @@ buildscript {
         }
     }
     repositories {
+        maven {
+            // Replace AAR from original RN with AAR from react-native-v8
+            url("$rootDir/../node_modules/react-native-v8/dist")
+        }
+        maven {
+            // prebuilt libv8android.so
+            url("$rootDir/../node_modules/v8-android/dist")
+         }
         google()
         mavenCentral()
     }