Remove redundant throws clauses

Removes exceptions that are declared in a method's signature but never thrown by the method itself or its implementations/derivatives.

remoting/src/main/java/org/springframework/security/remoting/httpinvoker/AuthenticationSimpleHttpInvokerRequestExecutor.java

@@ -57,10 +57,8 @@ public class AuthenticationSimpleHttpInvokerRequestExecutor extends
 	 * @param con the HTTP connection to prepare
 	 * @param contentLength the length of the content to send
 	 *
-	 * @throws IOException if thrown by HttpURLConnection methods
 	 */
-	protected void doPrepareConnection(HttpURLConnection con, int contentLength)
-			throws IOException {
+	protected void doPrepareConnection(HttpURLConnection con, int contentLength) {
 	}
 
 	/**

remoting/src/test/java/org/springframework/security/remoting/httpinvoker/AuthenticationSimpleHttpInvokerRequestExecutorTests.java

@@ -43,7 +43,7 @@ public class AuthenticationSimpleHttpInvokerRequestExecutorTests {
 	// ~ Methods
 	// ========================================================================================================
 	@After
-	public void tearDown() throws Exception {
+	public void tearDown() {
 		SecurityContextHolder.clearContext();
 	}
 
@@ -109,7 +109,7 @@ public class AuthenticationSimpleHttpInvokerRequestExecutorTests {
 			super(u);
 		}
 
-		public void connect() throws IOException {
+		public void connect() {
 			throw new UnsupportedOperationException("mock not implemented");
 		}
 

remoting/src/test/java/org/springframework/security/remoting/rmi/ContextPropagatingRemoteInvocationTests.java

@@ -42,7 +42,7 @@ public class ContextPropagatingRemoteInvocationTests {
 	// ~ Methods
 	// ========================================================================================================
 	@After
-	public void tearDown() throws Exception {
+	public void tearDown() {
 		SecurityContextHolder.clearContext();
 	}