Remove NoSuchMethodException emulation

This emulation will be never thrown from GWT/J2CL and only
relevant context is reflection code which is not supported
as well. 
Per our earlier discussion we are removing the emulation.

Change-Id: I1afb9460e75dde8bf42d4fcd735bc5e8447fb1f6
Review-Link: https://gwt-review.googlesource.com/#/c/21500/

tools/api-checker/config/gwt27_28userApi.conf

diff --git a/tools/api-checker/config/gwt27_28userApi.conf b/tools/api-checker/config/gwt27_28userApi.conf
index 297e668..c3530d4 100644
--- a/tools/api-checker/config/gwt27_28userApi.conf
+++ b/tools/api-checker/config/gwt27_28userApi.conf
@@ -222,4 +222,7 @@
 
 # Removed some JRE incompatible PriorityQueue APIs
 java.util.PriorityQueue::makeHeap(I) MISSING
-java.util.PriorityQueue::mergeHeaps(I) MISSING
\ No newline at end of file
+java.util.PriorityQueue::mergeHeaps(I) MISSING
+
+# Remove reflection related API
+java.lang.NoSuchMethodException MISSING

user/super/com/google/gwt/emul/java/lang/NoSuchMethodException.java

diff --git a/user/super/com/google/gwt/emul/java/lang/NoSuchMethodException.java b/user/super/com/google/gwt/emul/java/lang/NoSuchMethodException.java
deleted file mode 100644
index b846cf2..0000000
--- a/user/super/com/google/gwt/emul/java/lang/NoSuchMethodException.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright 2011 Google Inc.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package java.lang;
-
-/**
- * See <a href="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/NoSuchMethodException.html">the
- * official Java API doc</a> for details.
- * 
- * This exception is never thrown by GWT or GWT's libraries, as GWT does not support reflection. It
- * is provided in GWT only for compatibility with user code that explicitly throws or catches it for
- * non-reflection purposes.
- */
-public class NoSuchMethodException extends Exception {
-
-  public NoSuchMethodException() {
-  }
-
-  public NoSuchMethodException(String message) {
-    super(message);
-  }
-}