refactor(unicorn-store-spring): clean up unused imports in monitoring config

Author: Yuriy Bezsonov

apps/unicorn-store-spring/src/main/java/com/unicorn/store/config/MonitoringConfig.java

@@ -4,14 +4,12 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.micrometer.core.instrument.MeterRegistry;
 import io.micrometer.core.instrument.config.MeterFilter;
-import io.micrometer.observation.ObservationPredicate;
 import io.micrometer.observation.ObservationRegistry;
 import io.micrometer.observation.aop.ObservedAspect;
 import jakarta.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.http.server.observation.ServerRequestObservationContext;
 
 import java.io.File;
 import java.io.IOException;