Revert stage3 to use default installer

Change-Id: I01322091d8a9e23bdb3ce6b7ba74122787447e02
Signed-off-by: sousaedu <eduardo.sousa@canonical.com>
diff --git a/jenkins/ci-pipelines/ci_stage_2.groovy b/jenkins/ci-pipelines/ci_stage_2.groovy
index f211978..3211ac8 100644
--- a/jenkins/ci-pipelines/ci_stage_2.groovy
+++ b/jenkins/ci-pipelines/ci_stage_2.groovy
@@ -115,7 +115,7 @@
         stage('Build System') {
             def downstream_params_stage_3 = [
                 string(name: 'GERRIT_BRANCH', value: "${branch}"),
-                string(name: 'INSTALLER', value: "charmed" ),
+                string(name: 'INSTALLER', value: "Default" ),
                 string(name: 'UPSTREAM_JOB_NAME', value: "${JOB_NAME}" ),
                 string(name: 'UPSTREAM_JOB_NUMBER', value: "${BUILD_NUMBER}" ),
                 booleanParam(name: 'DO_STAGE_4', value: do_stage_4 )