e2e-tests: Remove unnecessary type specification

As it does not lend a warning in IntelliJ once removed. Indeed, one
"should almost never annotate the type of a private field or a local
variable, as their type will usually be immediately evident in their
value" [1].

[1] https://docs.scala-lang.org/style/types.html#inference

Change-Id: I02ead66bf8524d56028a0e654e2e23796675e5fe

src/test/scala/com/ericsson/gerrit/plugins/gcconductor/scenarios/CreateChangesTriggeringGcWithProject.scala

diff --git a/src/test/scala/com/ericsson/gerrit/plugins/gcconductor/scenarios/CreateChangesTriggeringGcWithProject.scala b/src/test/scala/com/ericsson/gerrit/plugins/gcconductor/scenarios/CreateChangesTriggeringGcWithProject.scala
index d248703..0f221b1 100644
--- a/src/test/scala/com/ericsson/gerrit/plugins/gcconductor/scenarios/CreateChangesTriggeringGcWithProject.scala
+++ b/src/test/scala/com/ericsson/gerrit/plugins/gcconductor/scenarios/CreateChangesTriggeringGcWithProject.scala
@@ -20,7 +20,7 @@
 import scala.concurrent.duration._
 
 class CreateChangesTriggeringGcWithProject extends GerritSimulation {
-  private val default: String = name
+  private val default = name
 
   private val createProject = new CreateProject(default)
   private val deleteChanges = new DeleteChangesAfterGc