remove spring's cors policies

src/main/java/fr/unistra/sil/erp/back/WebMvcConfig.java

@@ -7,7 +7,6 @@ package fr.unistra.sil.erp.back;
 import fr.unistra.sil.erp.back.interceptor.api.ApiAuthenticationInterceptor;
 import org.springframework.context.annotation.*;
 import org.springframework.core.env.Environment;
-import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@@ -109,13 +108,6 @@ public class WebMvcConfig implements WebMvcConfigurer {
         registry.addInterceptor(new ApiAuthenticationInterceptor(this.env.getRequiredProperty("api.key"))).addPathPatterns(API_PREFIX + "**");
     }
 
-    @Override
-    public void addCorsMappings(CorsRegistry registry) {
-        registry.addMapping("/**")
-                .allowedOrigins("*")
-                .allowedHeaders("*");
-    }
-
     /**
      * SQL Connection object.
      */