Migrate to PowSyBl 4.6.1 (#23)

Signed-off-by: Geoffroy Jamgotchian <[email protected]>

Author: geofjamg

pom.xml

@@ -35,7 +35,7 @@
 
     <properties>
         <java.version>11</java.version>
-        <gridsuite-dependencies.version>13</gridsuite-dependencies.version>
+        <gridsuite-dependencies.version>14</gridsuite-dependencies.version>
         <string-template.version>4.3.1</string-template.version>
         <commons-lang3.version>3.9</commons-lang3.version>
         <liquibase-hibernate-package>org.gridsuite.mapping.server</liquibase-hibernate-package>
@@ -183,11 +183,6 @@
             <artifactId>powsybl-iidm-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.powsybl</groupId>
-            <artifactId>powsybl-iidm-impl</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>