Revert "chore: cors for openapi"

This reverts commit cf1c1cd.

Author: kashike

src/main/java/io/papermc/fill/configuration/SecurityConfiguration.java

@@ -21,7 +21,6 @@
 import org.jspecify.annotations.NullMarked;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.http.HttpMethod;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
@@ -38,25 +37,12 @@
 import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
-import org.springframework.web.cors.CorsConfiguration;
-import org.springframework.web.cors.CorsConfigurationSource;
-import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
 
 @Configuration
 @EnableWebSecurity
 @EnableMethodSecurity
 @NullMarked
 public class SecurityConfiguration {
-  @Bean
-  public CorsConfigurationSource corsConfigurationSource() {
-    final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
-    final CorsConfiguration openapi = new CorsConfiguration();
-    openapi.addAllowedMethod(HttpMethod.GET);
-    openapi.addAllowedOrigin("*");
-    source.registerCorsConfiguration("/openapi.yaml", openapi);
-    return source;
-  }
-
   @Bean
   public PasswordEncoder passwordEncoder() {
     return PasswordEncoderFactories.createDelegatingPasswordEncoder();