feat(bom): put javax.servlet in engine bom (#369)

remove it from runtime BOM because it is now in the engine BOM

Relates to [RUNTIME-434](https://bonitasoft.atlassian.net/browse/RUNTIME-434)

bonita-runtime-bom/pom.xml

@@ -27,11 +27,6 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
-            <dependency>
-                <groupId>javax.servlet</groupId>
-                <artifactId>javax.servlet-api</artifactId>
-                <version>4.0.1</version>
-            </dependency>
             <dependency>
                 <groupId>org.codehaus.groovy</groupId>
                 <artifactId>groovy-all</artifactId>

resources/pom.xml

@@ -20,23 +20,6 @@
         <module>step-autogenerated-form</module>
         <module>process-autogenerated-form</module>
     </modules>
-
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>org.bonitasoft.web</groupId>
-                <artifactId>bonita-web-extensions</artifactId>
-                <version>${project.version}</version>
-                <scope>provided</scope>
-            </dependency>
-            <dependency>
-                <groupId>javax.servlet</groupId>
-                <artifactId>javax.servlet-api</artifactId>
-                <version>3.1.0</version>
-                <scope>provided</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
     <build>
         <pluginManagement>
             <plugins>