upgrade gridsuite dependencies to v35 (#108)

Signed-off-by: Etienne LESOT <etienne.lesot@rte-france.com>

pom.xml

@@ -42,10 +42,8 @@
     </developers>
 
     <properties>
-        <gridsuite-dependencies.version>34</gridsuite-dependencies.version>
+        <gridsuite-dependencies.version>35</gridsuite-dependencies.version>
         <mockwebserver3.version>5.0.0-alpha.14</mockwebserver3.version>
-        <!-- FIXME: powsybl-ws-commons version is overridden. To be removed at next powsybl-ws-dependencies.version upgrade -->
-        <powsybl-ws-commons.version>1.15.0</powsybl-ws-commons.version>
     </properties>
 
     <build>
@@ -92,12 +90,6 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-            <!-- FIXME: powsybl-ws-commons version is overridden. To be removed at next powsybl-ws-dependencies.version upgrade -->
-            <dependency>
-                <groupId>com.powsybl</groupId>
-                <artifactId>powsybl-ws-commons</artifactId>
-                <version>${powsybl-ws-commons.version}</version>
-            </dependency>
 
             <!-- imports -->
             <dependency>