Perfecting WebAuthn RequestMatcher Related tests

Signed-off-by: smallbun <[email protected]>

Author: leshalv

web/src/test/java/org/springframework/security/web/webauthn/registration/PublicKeyCredentialCreationOptionsFilterTests.java

@@ -29,7 +29,6 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
-import org.springframework.mock.web.MockFilterChain;
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.security.authentication.AnonymousAuthenticationToken;