[PRMT-3413] Address PR comments #60 (comment) and #60 (comment)

src/main/java/uk/nhs/prm/e2etests/service/HealthCheckService.java

@@ -2,7 +2,11 @@
 
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.http.*;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.HttpStatusCodeException;
 import org.springframework.web.client.RestTemplate;
@@ -57,5 +61,4 @@ private HttpHeaders createHeaders() {
         headers.setContentType(MediaType.APPLICATION_JSON);
         return headers;
     }
-
 }