sudo dep removed because it started to be problematic with latest docker images

.gitlab-ci.yml

@@ -166,8 +166,8 @@ build_war:
       - minerva.war
   script:
     - apt-get update
-    - apt-get install -y curl gnupg git ant sudo
-    - curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -
+    - apt-get install -y curl gnupg git ant
+    - curl -sL https://deb.nodesource.com/setup_9.x | bash -
     - apt-get install -y nodejs
     - ant maven-build
     - cp web/target/web-1.0.war minerva.war
@@ -177,8 +177,8 @@ dependency_conflict_check:
   stage: test
   script:
     - apt-get update
-    - apt-get install -y curl gnupg git ant sudo
-    - curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -
+    - apt-get install -y curl gnupg git ant
+    - curl -sL https://deb.nodesource.com/setup_9.x | bash -
     - apt-get install -y nodejs
 
     - mvn clean install -DskipTests=true