Fix user and password values

src/main/resources/META-INF/persistence.xml

@@ -23,8 +23,8 @@
         <properties>
             <property name="javax.persistence.jdbc.driver" value="org.mariadb.jdbc.Driver"/>
             <property name="javax.persistence.jdbc.url" value="jdbc:mariadb://melodic-store:3306/proactive" />
-            <property name="javax.persistence.jdbc.user" value="${JPA_USER}"/>
-            <property name="javax.persistence.jdbc.password" value="${JPA_PASSWORD}"/>
+            <property name="javax.persistence.jdbc.user" value="JPA_USER"/>
+            <property name="javax.persistence.jdbc.password" value="JPA_PASSWORD"/>
             <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
             <property name="hibernate.hbm2ddl.auto" value="update"/>
             <property name="hibernate.flushMode" value="FLUSH_AUTO" />