Replace hibernate vaidator with javaee api

Hibernate validator is bundled with resteasy validation package,
but using another version what leads to problems.

scm-webapp/pom.xml

@@ -100,9 +100,10 @@
       <version>${jackson.version}</version>
     </dependency>
     <dependency>
-      <groupId>org.hibernate.validator</groupId>
-      <artifactId>hibernate-validator</artifactId>
-      <version>6.0.12.Final</version>
+      <groupId>javax</groupId>
+      <artifactId>javaee-api</artifactId>
+      <version>7.0</version>
+      <scope>test</scope>
     </dependency>
 
     <!-- rest api -->