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.

oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/BearerTokenAuthenticationEntryPoint.java

@@ -61,8 +61,7 @@ public final class BearerTokenAuthenticationEntryPoint implements Authentication
 	@Override
 	public void commence(
 			HttpServletRequest request, HttpServletResponse response,
-			AuthenticationException authException)
-			throws IOException, ServletException {
+			AuthenticationException authException) {
 
 		HttpStatus status = HttpStatus.UNAUTHORIZED;
 

oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/web/access/BearerTokenAccessDeniedHandler.java

@@ -59,8 +59,7 @@ public final class BearerTokenAccessDeniedHandler implements AccessDeniedHandler
 	@Override
 	public void handle(
 			HttpServletRequest request, HttpServletResponse response,
-			AccessDeniedException accessDeniedException)
-			throws IOException, ServletException {
+			AccessDeniedException accessDeniedException) {
 
 		Map<String, String> parameters = new LinkedHashMap<>();