Revert adding mariadb (#2087)

* Revert "Add mariadb-java-client to the server images (#2086)"

This reverts commit 8d3aa7c9ce.

* Revert adding mariadb as runtime dependency - resticted license

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

---------

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-ddi/hawkbit-ddi-server/pom.xml

@@ -42,10 +42,6 @@
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
         </dependency>
-        <dependency> <!-- if run against mysql with jdbc:mysql schema -->
-            <groupId>org.mariadb.jdbc</groupId>
-            <artifactId>mariadb-java-client</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.microsoft.sqlserver</groupId>
             <artifactId>mssql-jdbc</artifactId>
@@ -62,6 +58,11 @@
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency> <!-- if run against mysql -->
+            <groupId>org.mariadb.jdbc</groupId>
+            <artifactId>mariadb-java-client</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>