Update README.md

Author: tsuryo

README.md

@@ -33,11 +33,7 @@ Android 5.0+ API 21+
         android:id="@+id/counter"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
-        app:layout_constraintBottom_toTopOf="@+id/gdH50"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
+	<!--Additional attributes-->
         app:max_time_unit="HOUR"
         app:text_color="@color/colorPrimary"
         app:text_size="36dp"
@@ -47,10 +43,7 @@ Android 5.0+ API 21+
         android:id="@+id/counte1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/gdH50"
+	<!--Additional attributes-->
         app:max_time_unit="DAY"
         app:text_color="#2196F3"
         app:text_size="36dp"