remove useless log

src/main/kotlin/fr/dcproject/common/utils/Elastic.kt

@@ -4,7 +4,6 @@ import com.jayway.jsonpath.JsonPath
 import com.jayway.jsonpath.PathNotFoundException
 import org.apache.http.util.EntityUtils
 import org.elasticsearch.client.Response
-import org.slf4j.LoggerFactory
 
 fun Response.contentToString(): String {
     return EntityUtils.toString(this.entity)
@@ -22,8 +21,6 @@ fun String.getJsonField(jsonPath: String): Int? {
     return try {
         JsonPath.read(this, jsonPath)
     } catch (e: PathNotFoundException) {
-        LoggerFactory.getLogger("fr.dcproject.utils.getJsonField")
-            .warn("No value for Json path ${JsonPath.compile(jsonPath).path}")
         null
     }
 }