Make the fuchsia mojo/public repo the source of truth.

mojo/public/interfaces/bindings/tests/math_calculator.mojom

Index: mojo/public/interfaces/bindings/tests/math_calculator.mojom
diff --git a/mojo/public/interfaces/bindings/tests/math_calculator.mojom b/mojo/public/interfaces/bindings/tests/math_calculator.mojom
deleted file mode 100644
index fa72db814dc1b2033d0de22457c8d6cd62e4978d..0000000000000000000000000000000000000000
--- a/mojo/public/interfaces/bindings/tests/math_calculator.mojom
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[DartPackage="_mojo_for_test_only",
- JavaPackage="org.chromium.mojo.bindings.test.mojom.math"]
-module math;
-
-interface Calculator {
-  Clear@0() => (double value@0);
-  Add@1(double value@0) => (double value@0);
-  Multiply@2(double value@0) => (double value@0);
-};