moved attribute to top of class following codacy hint

src/main/java/eu/hbp/mip/configuration/PersistenceConfiguration.java

@@ -26,6 +26,9 @@ import javax.sql.DataSource;
 @EntityScan(basePackages = "eu.hbp.mip.model")
 public class PersistenceConfiguration {
 
+    @Value("#{'${spring.scienceDatasource.main-table:adni_merge}'}")
+    private String scienceMainTable;
+
     @Primary
     @Bean(name = "portalDatasource")
     @ConfigurationProperties(prefix="spring.portalDatasource")
@@ -59,9 +62,6 @@ public class PersistenceConfiguration {
         return new JdbcTemplate(scienceDataSource());
     }
 
-    @Value("#{'${spring.scienceDatasource.main-table:adni_merge}'}")
-    private String scienceMainTable;
-
     @Bean(name = "entityManagerFactory")
     @DependsOn("flyway")
     public LocalContainerEntityManagerFactoryBean entityManagerFactory() {